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Elenco dei risultati
- File:Patent-DE-430024.pdf + (Matita meccanica)
- File:Patent-FR-610947.pdf + (Matita meccanica)
- File:Patent-DE-376387.pdf + (Matita meccanica)
- File:Patent-DE-379275.pdf + (Matita meccanica)
- File:Patent-US-1833244.pdf + (Matita meccanica)
- File:Patent-US-2080372.pdf + (Matita meccanica)
- File:Patent-GB-202183.pdf + (Matita meccanica)
- File:Patent-FR-690093.pdf + (Matita meccanica)
- File:Patent-DE-481237.pdf + (Matita meccanica)
- File:Patent-DE-569824.pdf + (Matita meccanica)
- File:Patent-DE-655438.pdf + (Matita meccanica)
- File:Patent-DE-664007.pdf + (Matita meccanica)
- File:Patent-DE-741772.pdf + (Matita meccanica)
- File:Patent-FR-871035.pdf + (Matita meccanica)
- File:Patent-DE-1721600U.pdf + (Matita meccanica)
- File:Patent-US-D087525.pdf + (Matita meccanica)
- File:Patent-FR-670953.pdf + (Matita meccanica)
- File:Patent-FR-601664.pdf + (Matita meccanica)
- File:Patent-FR-614071.pdf + (Matita meccanica)
- File:Patent-FR-626665.pdf + (Matita meccanica)
- File:Patent-FR-639606.pdf + (Matita meccanica)
- File:Patent-FR-653061.pdf + (Matita meccanica)
- File:Patent-FR-692937.pdf + (Matita meccanica)
- File:Patent-FR-698700.pdf + (Matita meccanica)
- File:Patent-FR-700497.pdf + (Matita meccanica)
- File:Patent-FR-711982.pdf + (Matita meccanica)
- File:Patent-FR-719763.pdf + (Matita meccanica)
- File:Patent-US-2517522.pdf + (Matita meccanica)
- File:Patent-FR-812667.pdf + (Matita meccanica)
- File:Patent-FR-812666.pdf + (Matita meccanica)
- File:Patent-US-D047643.pdf + (Matita meccanica)
- File:Patent-US-263392.pdf + (Matita meccanica)
- File:Patent-GB-336190.pdf + (Matita meccanica)
- File:Patent-US-940247.pdf + (Matita meccanica)
- File:Patent-FR-881937.pdf + (Matita meccanica)
- File:Patent-DE-764096.pdf + (Matita meccanica)
- File:Patent-US-1489590.pdf + (Matita meccanica)
- File:Patent-US-1551604.pdf + (Matita meccanica)
- File:Patent-US-1675826.pdf + (Matita meccanica)
- File:Patent-US-1420275.pdf + (Matita meccanica)
- File:Patent-US-1551601.pdf + (Matita meccanica)
- File:Patent-CH-148515.pdf + (Matita meccanica)
- File:Patent-GB-345712.pdf + (Matita meccanica)
- File:Patent-GB-479937.pdf + (Matita meccanica)
- File:Patent-GB-399592.pdf + (Matita meccanica)
- File:Patent-GB-480717.pdf + (Matita meccanica)
- File:Patent-US-1301341.pdf + (Matita meccanica)
- File:Patent-US-1351552.pdf + (Matita meccanica)
- File:Patent-US-1490245.pdf + (Matita meccanica)
- File:Patent-US-1490246.pdf + (Matita meccanica)
- File:Patent-US-1490247.pdf + (Matita meccanica)
- File:Patent-US-1484077.pdf + (Matita meccanica)
- File:Patent-US-1485073.pdf + (Matita meccanica)
- File:Patent-DE-718495.pdf + (Matita meccanica)
- File:Patent-CH-220232.pdf + (Matita meccanica)
- File:Patent-DE-532156.pdf + (Matita meccanica)
- File:Patent-DE-714769.pdf + (Matita meccanica)
- File:Patent-US-2009182.pdf + (Matita meccanica)
- File:Patent-US-2075725.pdf + (Matita meccanica)
- File:Patent-US-2093919.pdf + (Matita meccanica)
- File:Patent-US-2186027.pdf + (Matita meccanica)
- File:Patent-US-2186869.pdf + (Matita meccanica)
- File:Patent-US-2186870.pdf + (Matita meccanica)
- File:Patent-US-2203093.pdf + (Matita meccanica)
- File:Patent-US-2293621.pdf + (Matita meccanica)
- File:Patent-US-2293622.pdf + (Matita meccanica)
- File:Patent-US-2293623.pdf + (Matita meccanica)
- File:Patent-US-2312928.pdf + (Matita meccanica)
- File:Patent-US-2339290.pdf + (Matita meccanica)
- File:Patent-DE-467712.pdf + (Matita meccanica)
- File:Patent-DE-468697.pdf + (Matita meccanica)
- File:Patent-DE-441349.pdf + (Matita meccanica)
- File:Patent-GB-302015.pdf + (Matita meccanica)
- File:Patent-GB-424069.pdf + (Matita meccanica)
- File:Patent-FR-693093.pdf + (Matita meccanica)
- File:Patent-CH-263051.pdf + (Matita meccanica)
- File:Patent-FR-1006326.pdf + (Matita meccanica)
- File:Patent-US-2358091.pdf + (Matita meccanica)
- File:Patent-GB-495419.pdf + (Matita meccanica)
- File:Patent-FR-1001319.pdf + (Matita meccanica)
- File:Patent-US-2526268.pdf + (Matita meccanica)
- File:Patent-GB-623792.pdf + (Matita meccanica)
- File:Patent-FR-873073.pdf + (Matita meccanica)
- File:Patent-CH-24220.pdf + (Matita meccanica)
- File:Patent-DE-377877.pdf + (Matita meccanica)
- File:Patent-FR-802455.pdf + (Matita meccanica)
- File:Patent-FR-786080.pdf + (Matita meccanica)
- File:Patent-FR-695784.pdf + (Matita meccanica)
- File:Patent-FR-672361.pdf + (Matita meccanica)
- File:Patent-FR-36278E.pdf + (Matita meccanica)
- File:Patent-FR-657681.pdf + (Matita meccanica)
- File:Patent-FR-626975.pdf + (Matita meccanica)
- File:Patent-FR-926468.pdf + (Matita meccanica)
- File:Patent-GB-638420.pdf + (Matita meccanica)
- File:Patent-CH-259468.pdf + (Matita meccanica)
- File:Patent-GB-220435.pdf + (Matita meccanica)
- File:Patent-FR-570444.pdf + (Matita meccanica)
- File:Patent-DE-411627.pdf + (Matita meccanica)
- File:Patent-FR-592156.pdf + (Matita meccanica)
- File:Patent-GB-284529.pdf + (Matita meccanica)
- File:Patent-FR-636029.pdf + (Matita meccanica)
- File:Patent-GB-347540.pdf + (Matita meccanica)
- File:Patent-FR-526035.pdf + (Matita meccanica)
- File:Patent-GB-171154.pdf + (Matita meccanica)
- File:Patent-DE-349147.pdf + (Matita meccanica)
- File:Patent-US-1510618.pdf + (Matita meccanica)
- File:Patent-US-1574457.pdf + (Matita meccanica)
- File:Patent-US-1578565.pdf + (Matita meccanica)
- File:Patent-US-D059035.pdf + (Matita meccanica)
- File:Patent-US-1742711.pdf + (Matita meccanica)
- File:Patent-CH-130454.pdf + (Matita meccanica)
- File:Patent-GB-283677.pdf + (Matita meccanica)
- File:Patent-US-D119006.pdf + (Matita meccanica)
- File:Patent-US-1649142.pdf + (Matita meccanica)
- File:Patent-GB-472380.pdf + (Matita meccanica)
- File:Patent-US-1426744.pdf + (Matita meccanica)
- File:Patent-GB-409074.pdf + (Matita meccanica)
- File:Patent-US-D082821.pdf + (Matita meccanica)
- File:Patent-BE-441770.pdf + (Matita meccanica)
- File:Patent-NL-56798C.pdf + (Matita meccanica)
- File:Patent-DK-62545C.pdf + (Matita meccanica)
- File:Patent-CH-259145.pdf + (Matita meccanica)
- File:Patent-BE-472541.pdf + (Matita meccanica)
- File:Patent-DE-447802.pdf + (Matita meccanica)
- File:Patent-US-1236069.pdf + (Matita meccanica)
- File:Patent-GB-191330070.pdf + (Matita meccanica)
- File:Patent-DE-907749.pdf + (Matita meccanica)
- File:Patent-US-1443399.pdf + (Matita meccanica)
- File:Patent-GB-412286.pdf + (Matita meccanica)
- File:Patent-US-2035225.pdf + (Matita meccanica)
- File:Patent-US-D147982.pdf + (Matita meccanica)
- File:Patent-US-D143049.pdf + (Matita meccanica)
- File:Patent-DE-821773.pdf + (Matita meccanica)
- File:Patent-DE-1653241U.pdf + (Matita meccanica)
- File:Patent-DE-1656017U.pdf + (Matita meccanica)
- File:Patent-DE-1656016U.pdf + (Matita meccanica)
- File:Patent-FR-799290.pdf + (Matita meccanica)
- File:Patent-US-2293343.pdf + (Matita meccanica)
- File:Patent-US-D039560.pdf + (Matita meccanica)
- File:Patent-US-D138502.pdf + (Matita meccanica)
- File:Patent-US-2028855.pdf + (Matita meccanica)
- File:Patent-US-2078433.pdf + (Matita meccanica)
- File:Patent-US-2110551.pdf + (Matita meccanica)
- File:Patent-CH-102306.pdf + (Matita meccanica)
- File:Patent-GB-179145.pdf + (Matita meccanica)
- File:Patent-AT-94205.pdf + (Matita meccanica)
- File:Patent-FR-549123.pdf + (Matita meccanica)
- File:Patent-DE-369345.pdf + (Matita meccanica)
- File:Patent-CA-225369.pdf + (Matita meccanica)
- File:Patent-US-1846604.pdf + (Matita meccanica)
- File:Patent-US-2216780.pdf + (Matita meccanica)
- File:Patent-GB-100592.pdf + (Matita meccanica)
- File:Patent-DE-338340.pdf + (Matita meccanica)
- File:Patent-FR-512990.pdf + (Matita meccanica)
- File:Patent-DE-337310.pdf + (Matita meccanica)
- File:Patent-AT-87532B.pdf + (Matita meccanica)
- File:Patent-DE-387264.pdf + (Matita meccanica)
- File:Patent-DE-391847.pdf + (Matita meccanica)
- File:Patent-FR-673951.pdf + (Matita meccanica)
- File:Patent-DE-464038.pdf + (Matita meccanica)
- File:Patent-GB-266338.pdf + (Matita meccanica)
- File:Patent-FR-629493.pdf + (Matita meccanica)
- File:Patent-US-2349553.pdf + (Matita meccanica)
- File:Patent-US-2473149.pdf + (Matita meccanica)
- File:Patent-US-D138499.pdf + (Matita meccanica)
- File:Patent-US-D138345.pdf + (Matita meccanica)
- File:Patent-US-D080362.pdf + (Matita meccanica [[Balance]])
- File:Patent-US-D096022.pdf + (Matita meccanica [[Balance]])
- File:Patent-US-D103402.pdf + (Matita meccanica [[Coronet]])
- File:Patent-US-D103403.pdf + (Matita meccanica [[Coronet]])
- File:Patent-US-D081741.pdf + (Matita meccanica [[Doric]])
- File:Patent-US-D084323.pdf + (Matita meccanica [[Nozac]])
- File:Patent-US-D086297.pdf + (Matita meccanica [[Nozac]])
- File:Patent-US-D124248.pdf + (Matita meccanica [[Skyline]])
- File:Patent-US-D124230.pdf + (Matita meccanica [[Skyline]])
- File:Patent-US-D151661.pdf + (Matita meccanica con calendario)
- File:Patent-US-D078777.pdf + (Matita meccanica della [[Balance]])
- File:Patent-US-D081435.pdf + (Matita meccanica della [[Triad]])
- File:Patent-FR-1002930.pdf + (Matita meccanica doppia)
- File:Patent-GB-634823.pdf + (Matita meccanica doppia)
- File:Patent-CH-264326.pdf + (Matita meccanica doppia)
- File:Patent-DE-834963.pdf + (Matita meccanica doppia)
- File:Patent-US-122047.pdf + (Matita meccanica e cannuccia)
- File:Patent-FR-807275.pdf + (Matita meccanica multipla)
- File:Patent-FR-823652.pdf + (Matita meccanica multipla)
- File:Patent-GB-474736.pdf + (Matita meccanica multipla)
- File:Patent-US-2136290.pdf + (Matita meccanica multipla)
- File:Patent-CH-193646.pdf + (Matita meccanica multipla)
- File:Patent-GB-482097.pdf + (Matita meccanica multipla)
- File:Patent-US-2163515.pdf + (Matita meccanica multipla)
- File:Patent-FR-928103.pdf + (Matita meccanica multipla)
- File:Patent-DE-485584.pdf + (Matita meccanica multipla)
- File:Patent-CH-153221.pdf + (Matita meccanica multipla)
- File:Patent-DE-652024.pdf + (Matita meccanica multipla)
- File:Patent-CH-194208.pdf + (Matita meccanica multipla)
- File:Patent-GB-478118.pdf + (Matita meccanica multipla)
- File:Patent-DE-664392.pdf + (Matita meccanica multipla)
- File:Patent-US-2480014.pdf + (Matita meccanica multipla)
- File:Patent-US-2219769.pdf + (Matita meccanica multipla)
- File:Patent-GB-236475.pdf + (Matita meccanica multipla)
- File:Patent-DE-432836.pdf + (Matita meccanica multipla)
- File:Patent-US-1567910.pdf + (Matita meccanica multipla)
- File:Patent-DE-448931.pdf + (Matita meccanica multipla)
- File:Patent-FR-605510.pdf + (Matita meccanica multipla)
- File:Patent-NL-19802.pdf + (Matita meccanica multipla)
- File:Patent-GB-182234.pdf + (Matita meccanica per ''[[combo]]'')
- File:Patent-US-2365880.pdf + (Matita meccanica/portamine)
- File:Patent-DE-863767.pdf + (Matita multipla)
- File:Patent-US-1905920.pdf + (Matita per [[combo]])
- File:Patent-US-D084944.pdf + (Matita serie [[Waterman 9x]])
- File:Patent-GB-147522.pdf + (Matite)
- File:Patent-DE-356212.pdf + (Matite)
- File:Patent-FR-513812.pdf + (Matite)
- File:Patent-AT-89597.pdf + (Matite)
- File:Patent-CH-93596.pdf + (Matite)
- File:Patent-US-2142532.pdf + (Meccanismo ''[[Ink Shut-off]]'')
- File:Patent-US-2142533.pdf + (Meccanismo ''[[Ink Shut-off]]'')
- File:Patent-US-2799246.pdf + (Meccanismo ''[[snorkel filler]]'')
- File:Patent-US-2799247.pdf + (Meccanismo ''[[snorkel filler]]'')
- File:Patent-US-2802449.pdf + (Meccanismo ''[[snorkel filler]]'')
- File:Patent-US-2831460.pdf + (Meccanismo ''[[snorkel filler]]'')
- File:Patent-US-2868173.pdf + (Meccanismo ''[[snorkel filler]]'')
- File:Patent-US-2914028.pdf + (Meccanismo ''[[snorkel filler]]'')
- File:Patent-US-1789522.pdf + (Meccanismo [[Pullman]]/[[Uneman]])
- File:Patent-US-1031282.pdf + (Meccanismo [[rientrante]])
- File:Patent-US-1277613.pdf + (Meccanismo [[rientrante]])
- File:Patent-GB-154556.pdf + (Meccanismo [[rientrante]])
- File:Patent-US-1594740.pdf + (Meccanismo della [[Asterope]])
- File:Patent-GB-245448.pdf + (Meccanismo della [[Asterope]])
- File:Patent-US-1737463.pdf + (Meccanismo della [[Asterope]])
- File:Patent-GB-288176.pdf + (Meccanismo della [[Asterope]])
- File:Patent-US-1775068.pdf + (Meccanismo della [[Asterope]])
- File:Patent-GB-303699.pdf + (Meccanismo della [[Asterope]])
- File:Patent-GB-351734.pdf + (Meccanismo della [[Asterope]])
- File:Patent-FR-38723E.pdf + (Meccanismo della [[Asterope]])
- File:Patent-FR-35030E.pdf + (Meccanismo della [[Asterope]])
- File:Patent-FR-610369.pdf + (Meccanismo della [[Asterope]])
- File:Patent-DE-430661.pdf + (Meccanismo della [[Asterope]])
- File:Patent-DE-466010.pdf + (Meccanismo della [[Asterope]])
- File:Patent-DE-511708.pdf + (Meccanismo della [[Asterope]])
- File:Patent-AT-114699.pdf + (Meccanismo della [[Asterope]])
- File:Patent-DE-616460.pdf + (Meccanismo della [[Asterope]])
- File:Patent-CH-132052.pdf + (Meccanismo della [[Asterope]])
- File:Patent-CA-287009.pdf + (Meccanismo della [[Asterope]])
- File:Patent-US-3203403.pdf + (Meccanismo della [[Capless]])
- File:Patent-US-3292593.pdf + (Meccanismo della [[Capless]])
- File:Patent-US-3399946.pdf + (Meccanismo della [[Capless]])
- File:Patent-CH-419896.pdf + (Meccanismo della [[Capless]])
- File:Patent-GB-975244.pdf + (Meccanismo della [[Capless]])
- File:Patent-DE-1274927.pdf + (Meccanismo della [[Capless]])
- File:Patent-FR-1355256.pdf + (Meccanismo della [[Capless]])
- File:Patent-US-1840110.pdf + (Meccanismo di bloccaggio)
- File:Patent-US-1080176.pdf + (Meccanismo di compensazione)
- File:Patent-GB-146632.pdf + (Meccanismo per [[rientrante]])
- File:Patent-DE-357349.pdf + (Meccanismo per [[rientrante]])
- File:Patent-FR-513549.pdf + (Meccanismo per [[rientrante]])
- File:Patent-US-1386817.pdf + (Meccanismo per [[rientrante]])
- File:Patent-GB-159119.pdf + (Meccanismo per [[rientrante]])
- File:Patent-FR-529601.pdf + (Meccanismo per [[rientrante]])
- File:Patent-GB-202093.pdf + (Meccanismo per [[safety]])
- File:Patent-GB-110270.pdf + (Meccanismo per [[safety]])
- File:Patent-DE-1092808.pdf + (Meccanismo per la stampa)
- File:Patent-US-1447790.pdf + (Meccanismo per ricarica esterno)
- File:Patent-US-292313.pdf + (Meccanismo portamine)
- File:Patent-DE-840521.pdf + (Meccanismo stantuffo)
- File:Patent-US-3280797.pdf + (Meccanismo tipo-[[Capless]])
- File:Patent-GB-586917.pdf + (Metodo di costruzione di pennini)
- File:Patent-US-1916199.pdf + (Mine quadrate [[Square Leads]])
- File:Patent-GB-1058094.pdf + (Molletta per carte)
- File:Patent-US-2509234.pdf + (Montaggio [[cappuccio]])
- File:Patent-US-1153754.pdf + (Montaggio [[clip]])
- File:Patent-DE-1611226U.pdf + (Montaggio [[fermaglio]])
- File:Patent-DE-389138.pdf + (Montaggio [[fermaglio]])
- File:Patent-DE-689266.pdf + (Montaggio [[fermaglio]])
- File:Patent-DE-820097.pdf + (Montaggio [[fermaglio]])
- File:Patent-DE-850124.pdf + (Montaggio [[fermaglio]])
- File:Patent-FR-1016440.pdf + (Montaggio [[fermaglio]])
- File:Patent-FR-1041399.pdf + (Montaggio [[fermaglio]])
- File:Patent-FR-1175101.pdf + (Montaggio [[fermaglio]])
- File:Patent-FR-556090.pdf + (Montaggio [[fermaglio]])
- File:Patent-GB-183340.pdf + (Montaggio [[fermaglio]])
- File:Patent-GB-217783.pdf + (Montaggio [[fermaglio]])
- File:Patent-GB-360918.pdf + (Montaggio [[fermaglio]])
- File:Patent-US-1016166.pdf + (Montaggio [[fermaglio]])
- File:Patent-US-1075815.pdf + (Montaggio [[fermaglio]])
- File:Patent-US-1085174.pdf + (Montaggio [[fermaglio]])
- File:Patent-US-1171624.pdf + (Montaggio [[fermaglio]])
- File:Patent-US-1284718.pdf + (Montaggio [[fermaglio]])
- File:Patent-US-1310235.pdf + (Montaggio [[fermaglio]])
- File:Patent-US-1358511.pdf + (Montaggio [[fermaglio]])
- File:Patent-US-1450162.pdf + (Montaggio [[fermaglio]])
- File:Patent-US-1468025.pdf + (Montaggio [[fermaglio]])
- File:Patent-US-1490231.pdf + (Montaggio [[fermaglio]])
- File:Patent-US-1507622.pdf + (Montaggio [[fermaglio]])
- File:Patent-US-1554803.pdf + (Montaggio [[fermaglio]])
- File:Patent-US-1605151.pdf + (Montaggio [[fermaglio]])
- File:Patent-US-1610275.pdf + (Montaggio [[fermaglio]])
- File:Patent-US-1622316.pdf + (Montaggio [[fermaglio]])
- File:Patent-US-1641096.pdf + (Montaggio [[fermaglio]])
- File:Patent-US-1647093.pdf + (Montaggio [[fermaglio]])
- File:Patent-US-1681954.pdf + (Montaggio [[fermaglio]])
- File:Patent-US-1696183.pdf + (Montaggio [[fermaglio]])
- File:Patent-US-1794154.pdf + (Montaggio [[fermaglio]])
- File:Patent-US-1824012.pdf + (Montaggio [[fermaglio]])
- File:Patent-US-1854747.pdf + (Montaggio [[fermaglio]])
- File:Patent-US-1863016.pdf + (Montaggio [[fermaglio]])
- File:Patent-US-1872064.pdf + (Montaggio [[fermaglio]])
- File:Patent-US-1904212.pdf + (Montaggio [[fermaglio]])
- File:Patent-US-1923269.pdf + (Montaggio [[fermaglio]])
- File:Patent-US-1926852.pdf + (Montaggio [[fermaglio]])
- File:Patent-US-2022416.pdf + (Montaggio [[fermaglio]])
- File:Patent-US-2365473.pdf + (Montaggio [[fermaglio]])
- File:Patent-US-3175261.pdf + (Montaggio [[fermaglio]])
- File:Patent-US-1882780.pdf + (Montaggio [[pennino]])
- File:Patent-FR-961601.pdf + (Montaggio [[pennino]])
- File:Patent-FR-59403E.pdf + (Montaggio [[pennino]])
- File:Patent-GB-420064.pdf + (Montaggio [[pennino]])
- File:Patent-DE-645085.pdf + (Montaggio [[pennino]])
- File:Patent-FR-792631.pdf + (Montaggio [[pennino]])
- File:Patent-BE-410533.pdf + (Montaggio [[pennino]])
- File:Patent-US-2987044.pdf + (Montaggio [[pennino]] [[Waterman CF|CF]])
- File:Patent-US-1808779.pdf + (Montaggio clip)
- File:Patent-US-2048127.pdf + (Montaggio clip)
- File:Patent-GB-420164.pdf + (Montaggio clip)
- File:Patent-GB-358322.pdf + (Montaggio del [[fermaglio]])
- File:Patent-US-1315373.pdf + (Montaggio gruppo pennino)
- File:Patent-US-3292596.pdf + (Montaggio gruppo pennino)
- File:Patent-FR-843941.pdf + (Montaggio sezione)
- File:Patent-US-2035378.pdf + (Montaggio sezione [[Vacumatic]])
- File:Patent-US-2750927.pdf + (Montaggio sezione/[[pennino]])
- File:Patent-US-1614606.pdf + (Montaggio verette)
- File:Patent-US-D056681.pdf + (Motivo per [[guilloché]])
- File:Patent-US-D058694.pdf + (Motivo per [[guilloché]])
- File:Patent-US-D057403.pdf + (Motivo per [[guilloché]])
- File:Patent-US-D057404.pdf + (Motivo per [[guilloché]])
- File:Patent-US-D058516.pdf + (Motivo per [[guilloché]])
- File:Patent-US-D058693.pdf + (Motivo per [[guilloché]], ''[[Grecian Border Pattern|Grecian Border]]'')
- File:Patent-US-D059052.pdf + (Motivo per [[guilloché]], ''[[Hanlin Pattern|Hanlin]]'')
- File:Patent-US-D057405.pdf + (Motivo per decorazione di [[laminate]])
- File:Patent-US-D182162.pdf + (Penna)
- File:Patent-DE-549180.pdf + (Penna)
- File:Patent-US-2640297.pdf + (Penna "esplosiva" giocattolo)
- File:Patent-US-803927.pdf + (Penna [[rientrante]])
- File:Patent-GB-190308198.pdf + (Penna [[rientrante]])
- File:Patent-FR-333684.pdf + (Penna [[rientrante]])
- File:Patent-US-651736.pdf + (Penna a "doppio serbatoio")
- File:Patent-US-651737.pdf + (Penna a "doppio serbatoio")
- File:Patent-US-651738.pdf + (Penna a "doppio serbatoio")
- File:Patent-US-D137660.pdf + (Penna a [[pennino carenato]])
- File:Patent-US-D138032.pdf + (Penna a [[pennino carenato]])
- File:Patent-US-D130999.pdf + (Penna a [[pennino conico]])
- File:Patent-US-D135498.pdf + (Penna a [[pennino coperto]])
- File:Patent-US-2011516.pdf + (Penna a [[pennino]] economico)
- File:Patent-FR-527150.pdf + (Penna a caricamento capillare)
- File:Patent-GB-191026585.pdf + (Penna a china da disegno tecnico)
- File:Patent-DE-521001.pdf + (Penna a due colori)
- File:Patent-US-1059398.pdf + (Penna a fusto estraibile)
- File:Patent-US-1890100.pdf + (Penna a inchiostro concentrato)
- File:Patent-US-1912774.pdf + (Penna a inchiostro solubile)
- File:Patent-US-288290.pdf + (Penna a pennino sdoppiabile)
- File:Patent-US-1809416.pdf + (Penna a punta estraibile)
- File:Patent-US-1876151.pdf + (Penna a punta tripla)
- File:Patent-US-776951.pdf + (Penna a serbatoio)
- File:Patent-US-2329996.pdf + (Penna a serbatoio)
- File:Patent-GB-190400459.pdf + (Penna a serbatoio)
- File:Patent-GB-189923550.pdf + (Penna a serbatoio)
- File:Patent-DE-264882.pdf + (Penna a serbatoio)
- File:Patent-DE-121245.pdf + (Penna a serbatoio)
- File:Patent-CH-13885.pdf + (Penna a serbatoio)
- File:Patent-CH-282E.pdf + (Penna a serbatoio)
- File:Patent-US-673451.pdf + (Penna a serbatoio)
- File:Patent-US-655736.pdf + (Penna a serbatoio)
- File:Patent-US-634029.pdf + (Penna a serbatoio)
- File:Patent-DE-92299.pdf + (Penna a serbatoio)
- File:Patent-GB-190006677.pdf + (Penna a serbatoio)
- File:Patent-GB-189902000.pdf + (Penna a serbatoio)
- File:Patent-DK-2722C.pdf + (Penna a serbatoio)
- File:Patent-DK-1592C.pdf + (Penna a serbatoio)
- File:Patent-AT-3719B.pdf + (Penna a serbatoio)
- File:Patent-AT-398B.pdf + (Penna a serbatoio)
- File:Patent-AT-179B.pdf + (Penna a serbatoio)
- File:Patent-GB-190023217.pdf + (Penna a serbatoio combinata)
- File:Patent-AT-7500B.pdf + (Penna a serbatoio combinata)
- File:Patent-US-632633.pdf + (Penna a serbatoio estraibile)
- File:Patent-US-2397229.pdf + (Penna a sfera)
- File:Patent-US-2427243.pdf + (Penna a sfera)
- File:Patent-US-2432061.pdf + (Penna a sfera)
- File:Patent-US-2557054.pdf + (Penna a sfera)
- File:Patent-US-2400679.pdf + (Penna a sfera)
- File:Patent-US-2610611.pdf + (Penna a sfera)
- File:Patent-US-2617387.pdf + (Penna a sfera)
- File:Patent-US-2491082.pdf + (Penna a sfera)
- File:Patent-US-2258841.pdf + (Penna a sfera)
- File:Patent-US-2413904.pdf + (Penna a sfera)
- File:Patent-US-2427033.pdf + (Penna a sfera)
- File:Patent-US-2428960.pdf + (Penna a sfera)
- File:Patent-US-2435123.pdf + (Penna a sfera)
- File:Patent-US-2483329.pdf + (Penna a sfera)
- File:Patent-US-2427068.pdf + (Penna a sfera)
- File:Patent-US-2427069.pdf + (Penna a sfera)
- File:Patent-US-2428854.pdf + (Penna a sfera)
- File:Patent-US-2452504.pdf + (Penna a sfera)
- File:Patent-US-2454086.pdf + (Penna a sfera)
- File:Patent-US-2481874.pdf + (Penna a sfera)
- File:Patent-US-2506035.pdf + (Penna a sfera)
- File:Patent-US-2986119.pdf + (Penna a sfera)
- File:Patent-DE-1009969.pdf + (Penna a sfera)
- File:Patent-DE-1674855U.pdf + (Penna a sfera)
- File:Patent-GB-623767.pdf + (Penna a sfera)
- File:Patent-DE-1612403U.pdf + (Penna a sfera)
- File:Patent-DE-1636577U.pdf + (Penna a sfera)
- File:Patent-DE-832720.pdf + (Penna a sfera)
- File:Patent-US-2605745.pdf + (Penna a sfera)
- File:Patent-US-2605746.pdf + (Penna a sfera)
- File:Patent-US-2624315.pdf + (Penna a sfera)
- File:Patent-US-2642842.pdf + (Penna a sfera)
- File:Patent-US-2676570.pdf + (Penna a sfera)
- File:Patent-US-2692580.pdf + (Penna a sfera)
- File:Patent-US-2536923.pdf + (Penna a sfera)
- File:Patent-US-2580753.pdf + (Penna a sfera)
- File:Patent-US-2951465.pdf + (Penna a sfera)
- File:Patent-FR-1168064.pdf + (Penna a sfera)
- File:Patent-DE-809514.pdf + (Penna a sfera)
- File:Patent-FR-1028424.pdf + (Penna a sfera)
- File:Patent-GB-621822.pdf + (Penna a sfera)
- File:Patent-GB-635144.pdf + (Penna a sfera)
- File:Patent-DE-817414.pdf + (Penna a sfera)
- File:Patent-DE-806413.pdf + (Penna a sfera)
- File:Patent-DE-804769.pdf + (Penna a sfera)
- File:Patent-DE-817415.pdf + (Penna a sfera)
- File:Patent-FR-1131269.pdf + (Penna a sfera)
- File:Patent-FR-1047934.pdf + (Penna a sfera)
- File:Patent-US-1527971.pdf + (Penna a sfera)
- File:Patent-US-D147107.pdf + (Penna a sfera)
- File:Patent-FR-1128625.pdf + (Penna a sfera)
- File:Patent-GB-476971.pdf + (Penna a sfera)
- File:Patent-GB-1255389.pdf + (Penna a sfera)
- File:Patent-GB-1150333.pdf + (Penna a sfera)
- File:Patent-DE-801614.pdf + (Penna a sfera)
- File:Patent-CH-264938.pdf + (Penna a sfera)
- File:Patent-FR-807679.pdf + (Penna a sfera)
- File:Patent-DE-1718469U.pdf + (Penna a sfera)
- File:Patent-DE-1696470U.pdf + (Penna a sfera)
- File:Patent-GB-685706.pdf + (Penna a sfera)
- File:Patent-DE-822509.pdf + (Penna a sfera)
- File:Patent-DE-806332.pdf + (Penna a sfera)
- File:Patent-DE-806331.pdf + (Penna a sfera)
- File:Patent-GB-705613.pdf + (Penna a sfera)
- File:Patent-DE-900667.pdf + (Penna a sfera)
- File:Patent-FR-1164875.pdf + (Penna a sfera)
- File:Patent-FR-1031303.pdf + (Penna a sfera)
- File:Patent-US-D143508.pdf + (Penna a sfera)
- File:Patent-US-D144358.pdf + (Penna a sfera)
- File:Patent-US-D151989.pdf + (Penna a sfera)
- File:Patent-US-D140151.pdf + (Penna a sfera)
- File:Patent-DE-803094.pdf + (Penna a sfera)
- File:Patent-US-D145586.pdf + (Penna a sfera)
- File:Patent-DE-879811.pdf + (Penna a sfera [[UHU-Kugeltinter]])
- File:Patent-FR-950038.pdf + (Penna a sfera a punta inclinata)
- File:Patent-FR-960832.pdf + (Penna a sfera a punta inclinata)
- File:Patent-CH-262296.pdf + (Penna a sfera a punta inclinata)
- File:Patent-GB-647474.pdf + (Penna a sfera a punta inclinata)
- File:Patent-US-2833251.pdf + (Penna a sfera doppia)
- File:Patent-FR-937412.pdf + (Penna a sfera multipla)
- File:Patent-US-174965.pdf + (Penna a stilo)
- File:Patent-US-217888.pdf + (Penna a stilo)
- File:Patent-US-264854.pdf + (Penna a stilo)
- File:Patent-DE-952418.pdf + (Penna a stilo)
- File:Patent-DE-738888.pdf + (Penna a stilo)
- File:Patent-DE-744671.pdf + (Penna a stilo)
- File:Patent-GB-191203230.pdf + (Penna a stilo)
- File:Patent-US-941466.pdf + (Penna a stilo)
- File:Patent-US-1085714.pdf + (Penna a stilo)
- File:Patent-US-2217502.pdf + (Penna a stilo)
- File:Patent-US-1824249.pdf + (Penna a stilo)
- File:Patent-US-1524068.pdf + (Penna a stilo)
- File:Patent-DE-1947423U.pdf + (Penna a stilo)
- File:Patent-DE-1947421U.pdf + (Penna a stilo)
- File:Patent-DE-1278284.pdf + (Penna a stilo)
- File:Patent-DE-1283704.pdf + (Penna a stilo)
- File:Patent-DE-1786449.pdf + (Penna a stilo)
- File:Patent-US-3442597.pdf + (Penna a stilo)
- File:Patent-AT-229755.pdf + (Penna a stilo)
- File:Patent-FR-991812.pdf + (Penna a stilo)
- File:Patent-FR-61714E.pdf + (Penna a stilo)
- File:Patent-US-2891512.pdf + (Penna a stilo)
- File:Patent-GB-190428533.pdf + (Penna a stilo)
- File:Patent-DE-1010415.pdf + (Penna a stilo)
- File:Patent-BE-548110.pdf + (Penna a stilo)
- File:Patent-CH-343260.pdf + (Penna a stilo)
- File:Patent-FR-1149886.pdf + (Penna a stilo)
- File:Patent-GB-784388.pdf + (Penna a stilo)
- File:Patent-DE-249042.pdf + (Penna a stilo)
- File:Patent-DE-273638.pdf + (Penna a stilo)
- File:Patent-DE-349408.pdf + (Penna a stilo)
- File:Patent-DE-351930.pdf + (Penna a stilo)
- File:Patent-DE-832559.pdf + (Penna a stilo)
- File:Patent-AT-85902.pdf + (Penna a stilo)
- File:Patent-CH-81788.pdf + (Penna a stilo)
- File:Patent-CH-107012.pdf + (Penna a stilo)
- File:Patent-CH-117009.pdf + (Penna a stilo)
- File:Patent-BE-337528.pdf + (Penna a stilo)
- File:Patent-GB-260304.pdf + (Penna a stilo)
- File:Patent-DE-1628067U.pdf + (Penna a stilo)
- File:Patent-US-D281512.pdf + (Penna a tre pennini)
- File:Patent-US-D158973.pdf + (Penna completa)
- File:Patent-US-D183696.pdf + (Penna completa)
- File:Patent-US-D155532.pdf + (Penna completa)
- File:Patent-US-2030452.pdf + (Penna con inchiostro solubile)
- File:Patent-US-2061405.pdf + (Penna con inchiostro solubile)
- File:Patent-US-2123427.pdf + (Penna con inchiostro solubile)
- File:Patent-US-2025110.pdf + (Penna con inchiostro solubile)
- File:Patent-US-2024229.pdf + (Penna con inchiostro solubile)
- File:Patent-US-2011222.pdf + (Penna con inchiostro solubile)
- File:Patent-US-1947092.pdf + (Penna con inchiostro solubile)
- File:Patent-US-1964821.pdf + (Penna con inchiostro solubile)
- File:Patent-US-1998930.pdf + (Penna con inchiostro solubile)
- File:Patent-US-1978676.pdf + (Penna con inchiostro solubile)
- File:Patent-US-1978675.pdf + (Penna con inchiostro solubile)
- File:Patent-US-734116.pdf + (Penna con pennino ad ago)
- File:Patent-US-D104263.pdf + (Penna corta a corpo/cappuccio)
- File:Patent-US-1780527.pdf + (Penna corta a corpo/cappuccio)
- File:Patent-US-D131000.pdf + (Penna corta a corpo/cappuccio)
- File:Patent-IT-291022.pdf + (Penna da dottore con termometro.)
- File:Patent-IT-5573-1927.pdf + (Penna da dottore con termometro.)
- File:Patent-IT-291838.pdf + (Penna del calligrafo.)
- File:Patent-US-1893130.pdf + (Penna doppia)
- File:Patent-GB-397736.pdf + (Penna doppia)
- File:Patent-FR-728038.pdf + (Penna doppia)
- File:Patent-US-1020221.pdf + (Penna doppia)
- File:Patent-FR-840819.pdf + (Penna doppia)
- File:Patent-CH-250922.pdf + (Penna doppia)
- File:Patent-FR-923799.pdf + (Penna doppia)
- File:Patent-IT-378835.pdf + (Penna doppia)
- File:Patent-US-1808489.pdf + (Penna doppia)
- File:Patent-US-D159978.pdf + (Penna e cappuccio)
- File:Patent-US-2059577.pdf + (Penna in [[celluloide]])
- File:Patent-US-1302935.pdf + (Penna in [[celluloide]])
- File:Patent-US-1517411.pdf + (Penna in metallo)
- File:Patent-US-1977527.pdf + (Penna multipla)
- File:Patent-US-1486973.pdf + (Penna per calligrafia)
- File:Patent-US-907722.pdf + (Penna rivestita in metallo)