Cerca per proprietà
Jump to navigation
Jump to search
This page provides a simple browsing interface for finding entities described by a property and a named value. Other available search interfaces include the page property search, and the ask query builder.
Elenco dei risultati
- File:Patent-US-D114095.pdf + (Design for a fountain pen and pencil clip)
- File:Patent-US-D121336.pdf + (Design for a fountain pen and pencil clip or similar article)
- File:Patent-US-D121335.pdf + (Design for a fountain pen and pencil clip or similar article)
- File:Patent-US-D135890.pdf + (Design for a fountain pen and pencil clip or the like)
- File:Patent-US-D106407.pdf + (Design for a fountain pen and pencil initial clip)
- File:Patent-US-D116098.pdf + (Design for a fountain pen barrel)
- File:Patent-US-D140697.pdf + (Design for a fountain pen barrel)
- File:Patent-US-D095938.pdf + (Design for a fountain pen clip or similar article)
- File:Patent-US-D103813.pdf + (Design for a fountain pen clip or similar article)
- File:Patent-US-D095882.pdf + (Design for a fountain pen nib)
- File:Patent-US-D112401.pdf + (Design for a fountain pen or a similar article)
- File:Patent-US-D102799.pdf + (Design for a fountain pen or other writing implement)
- File:Patent-US-D102800.pdf + (Design for a fountain pen or other writing implement)
- File:Patent-US-D102801.pdf + (Design for a fountain pen or other writing implement)
- File:Patent-US-D100962.pdf + (Design for a fountain pen or similar article)
- File:Patent-US-D100963.pdf + (Design for a fountain pen or similar article)
- File:Patent-US-D100964.pdf + (Design for a fountain pen or similar article)
- File:Patent-US-D100965.pdf + (Design for a fountain pen or similar article)
- File:Patent-US-D100966.pdf + (Design for a fountain pen or similar article)
- File:Patent-US-D100967.pdf + (Design for a fountain pen or similar article)
- File:Patent-US-D100968.pdf + (Design for a fountain pen or similar article)
- File:Patent-US-D100969.pdf + (Design for a fountain pen or similar article)
- File:Patent-US-D100970.pdf + (Design for a fountain pen or similar article)
- File:Patent-US-D084641.pdf + (Design for a fountain pen or similar article)
- File:Patent-US-D084249.pdf + (Design for a fountain pen or similar article)
- File:Patent-US-D094983.pdf + (Design for a fountain pen or similar article)
- File:Patent-US-D082897.pdf + (Design for a fountain pen or similar article)
- File:Patent-US-D105150.pdf + (Design for a fountain pen or similar article)
- File:Patent-US-D106326.pdf + (Design for a fountain pen or similar article)
- File:Patent-US-D106701.pdf + (Design for a fountain pen or similar article)
- File:Patent-US-D094118.pdf + (Design for a fountain pen or similar article)
- File:Patent-US-D124609.pdf + (Design for a fountain pen or similar article)
- File:Patent-US-D099218.pdf + (Design for a fountain pen or similar article)
- File:Patent-US-D155532.pdf + (Design for a fountain pen or similar article)
- File:Patent-US-D132663.pdf + (Design for a fountain pen or similar article)
- File:Patent-US-D132664.pdf + (Design for a fountain pen or similar article)
- File:Patent-US-D123485.pdf + (Design for a fountain pen or similar article)
- File:Patent-US-D092212.pdf + (Design for a fountain pen or similar article)
- File:Patent-US-D112283.pdf + (Design for a fountain pen or similar article)
- File:Patent-US-D124266.pdf + (Design for a fountain pen or similar article)
- File:Patent-US-D096889.pdf + (Design for a fountain pen or similar writing implement)
- File:Patent-US-D096890.pdf + (Design for a fountain pen or similar writing implement)
- File:Patent-US-D096891.pdf + (Design for a fountain pen or similar writing implement)
- File:Patent-US-D096892.pdf + (Design for a fountain pen or similar writing implement)
- File:Patent-US-D096888.pdf + (Design for a fountain pen or similar writing implement)
- File:Patent-US-D097174.pdf + (Design for a fountain pen or similar writing implement)
- File:Patent-US-D130997.pdf + (Design for a fountain pen point)
- File:Patent-US-D083673.pdf + (Design for a fountain-pen clip or similar article)
- File:Patent-US-D070959.pdf + (Design for a fountain-pen desk set)
- File:Patent-US-D074242.pdf + (Design for a fountain-pen desk stand)
- File:Patent-US-D055515.pdf + (Design for a hook-pin)
- File:Patent-US-D036798.pdf + (Design for a lead-pencil)
- File:Patent-US-D083908.pdf + (Design for a lever for fountain pens)
- File:Patent-US-D084323.pdf + (Design for a mechanical pencil)
- File:Patent-US-D080362.pdf + (Design for a mechanical pencil)
- File:Patent-US-D119006.pdf + (Design for a mechanical pencil)
- File:Patent-US-D143049.pdf + (Design for a mechanical pencil)
- File:Patent-US-D141747.pdf + (Design for a nib section for a fountain pen or similar article)
- File:Patent-US-D142170.pdf + (Design for a nib section for a fountain pens)
- File:Patent-US-D116005.pdf + (Design for a pen and pencil clip)
- File:Patent-US-D115544.pdf + (Design for a pen and pencil clip)
- File:Patent-US-D080609.pdf + (Design for a pen and pencil clip)
- File:Patent-US-D047595.pdf + (Design for a pen and pencil clip)
- File:Patent-US-D073416.pdf + (Design for a pen clip or similar article)
- File:Patent-US-D149921.pdf + (Design for a pen nib)
- File:Patent-US-D056681.pdf + (Design for a pen or pencil case)
- File:Patent-US-D058694.pdf + (Design for a pen or pencil case)
- File:Patent-US-D058693.pdf + (Design for a pen or pencil case)
- File:Patent-US-D059052.pdf + (Design for a pen or pencil case)
- File:Patent-US-D057403.pdf + (Design for a pen or pencil case)
- File:Patent-US-D057404.pdf + (Design for a pen or pencil case)
- File:Patent-US-D057405.pdf + (Design for a pen or pencil case)
- File:Patent-US-D058516.pdf + (Design for a pen or pencil case)
- File:Patent-US-D098560.pdf + (Design for a pen or similar article)
- File:Patent-US-D140695.pdf + (Design for a pen point)
- File:Patent-US-D115868.pdf + (Design for a pen point)
- File:Patent-US-D095860.pdf + (Design for a pen point)
- File:Patent-US-D140696.pdf + (Design for a pen section for a fountain pen)
- File:Patent-US-D081741.pdf + (Design for a pencil)
- File:Patent-US-D081435.pdf + (Design for a pencil)
- File:Patent-US-D087525.pdf + (Design for a pencil)
- File:Patent-US-D078777.pdf + (Design for a pencil)
- File:Patent-US-D081223.pdf + (Design for a pencil)
- File:Patent-US-D096022.pdf + (Design for a pencil)
- File:Patent-US-D047643.pdf + (Design for a pencil)
- File:Patent-US-D070575.pdf + (Design for a pencil)
- File:Patent-US-D086297.pdf + (Design for a pencil)
- File:Patent-US-D059035.pdf + (Design for a pencil)
- File:Patent-US-D082821.pdf + (Design for a pencil)
- File:Patent-US-D147982.pdf + (Design for a pencil)
- File:Patent-US-D138345.pdf + (Design for a pencil)
- File:Patent-US-D119932.pdf + (Design for a pencil clip or similar article)
- File:Patent-US-D092817.pdf + (Design for a pencil clip or similar article)
- File:Patent-US-D120734.pdf + (Design for a pencil lead container or the like)
- File:Patent-US-D103402.pdf + (Design for a pencil or similar article)
- File:Patent-US-D103403.pdf + (Design for a pencil or similar article)
- File:Patent-US-D124248.pdf + (Design for a pencil or similar article)
- File:Patent-US-D124230.pdf + (Design for a pencil or similar article)
- File:Patent-US-D110896.pdf + (Design for a pencil or similar article)
- File:Patent-US-D110810.pdf + (Design for a pencil or the like)
- File:Patent-US-D028838.pdf + (Design for a pencil-case barrel)
- File:Patent-US-D091765.pdf + (Design for a pocket clip for pens, pencils, and the like)
- File:Patent-US-D039560.pdf + (Design for a propelling-pencil)
- File:Patent-US-D076794.pdf + (Design for a support for penholder)
- File:Patent-US-D146012.pdf + (Design for a writing pen)
- File:Patent-US-D142751.pdf + (Design for a writing tip section of a fountain pen)
- File:Patent-US-D029964.pdf + (Design for a writing-pen)
- File:Patent-US-D097681.pdf + (Design for an ink bottle)
- File:Patent-US-D089939.pdf + (Design for an ink bottle cap)
- File:Patent-US-D011737.pdf + (Design for barrel for pen and pencil cases)
- File:Patent-US-D011806.pdf + (Design for barrel for pen and pencil cases)
- File:Patent-US-D011457.pdf + (Design for cases for watch-charms)
- File:Patent-US-D019277.pdf + (Design for foutain pen or pencil holder)
- File:Patent-US-D019278.pdf + (Design for foutain pen or pencil holder)
- File:Patent-US-D010984.pdf + (Design for pencil-cases)
- File:Patent-US-D010872.pdf + (Design for pencil-cases)
- File:Patent-US-D058001.pdf + (Design for surface ornamentation for a pen, pencil, penknife, or similar article)
- File:Patent-US-1737948.pdf + (Desk fountain-pen holder)
- File:Patent-US-1902208.pdf + (Desk pen holder)
- File:Patent-US-2519675.pdf + (Desk penholder)
- File:Patent-US-2110007.pdf + (Desk set)
- File:Patent-US-1916808.pdf + (Desk set)
- File:Patent-US-2386500.pdf + (Desk set)
- File:Patent-US-1706662.pdf + (Desk set)
- File:Patent-US-1814085.pdf + (Desk set)
- File:Patent-US-1892509.pdf + (Desk set)
- File:Patent-US-1892523.pdf + (Desk set for fountain pens)
- File:Patent-US-2403083.pdf + (Desk set mounting)
- File:Patent-US-1853876.pdf + (Desk set mounting)
- File:Patent-US-1956084.pdf + (Desk set mounting)
- File:Patent-US-2308810.pdf + (Desk set mounting)
- File:Patent-US-1892181.pdf + (Desk set structure)
- File:Patent-US-1935010.pdf + (Desk stand)
- File:Patent-US-1935011.pdf + (Desk stand)
- File:Patent-US-1782108.pdf + (Desk stand and holder for fountain pens)
- File:Patent-US-1793610.pdf + (Desk-set receptacle)
- File:Patent-US-1772000.pdf + (Desk-set receptacle and gripper)
- File:Patent-US-1614606.pdf + (Device for applying bands on pens or pencils)
- File:Patent-US-1784078.pdf + (Device for automatically filling fountain pens)
- File:Patent-GB-345564.pdf + (Device for automatically filling fountain pens)
- File:Patent-US-1853316.pdf + (Device for facilitating the filling of fountain pens)
- File:Patent-US-1791776.pdf + (Device for operating on nibs)
- File:Patent-US-1645167.pdf + (Die-casting machine)
- File:Patent-US-1782597.pdf + (Dispensing cabinet)
- File:Patent-US-1143525.pdf + (Dispensing-stopper for ink-bottles)
- File:Patent-US-1848283.pdf + (Display apparatus)
- File:Patent-US-1473215.pdf + (Display cabinet)
- File:Patent-US-1504747.pdf + (Display cabinet for pens and pencils)
- File:Patent-FR-942385.pdf + (Dispositif d'accouplement automatique à verrouillage de sûreté)
- File:Patent-FR-969988.pdf + (Dispositif d'agrafe pour stylographes, porte-mines et autres objets analogues)
- File:Patent-FR-1131269.pdf + (Dispositif de commande pour appareil à élément rétractable et notamment pour stylographe, porte-plume, porte-mine à élément scripteur rétractable)
- File:Patent-CH-255121.pdf + (Dispositif de fermeture de porte-plume réservoir ou autre objet analogue)
- File:Patent-FR-1071648.pdf + (Dispositif de régulation de l'écoulement de l'encre dans les stylographes)
- File:Patent-FR-594143.pdf + (Dispositif de sécurité pour stylographes)
- File:Patent-FR-360837.pdf + (Dispositif formant réservoir d'encre pour plumes et porte-plumes)
- File:Patent-FR-582950.pdf + (Dispositif pour la fixation amovible des plumes aux porte-plume à réservoir)
- File:Patent-FR-730165.pdf + (Dispositif pour la fixation et le guidage du porte-plume réservoir dans la douille-enveloppe)
- File:Patent-FR-695834.pdf + (Dispositif pour le remplissage automatique des plumes stylographiques à réservoir contenant un tube flexible)
- File:Patent-CH-162422.pdf + (Dispositif verseur pour bouteille ou autre récipient)
- File:Patent-US-1544161.pdf + (Drawing-pen nib, more particularly for fountain pens)
- File:Patent-AT-87532B.pdf + (Drehstift mit verschiebbarer und zurückschiebbarer Mine)
- File:Patent-DE-338340.pdf + (Drehstift mit vor- und zurueckschiebbarem Minenhalter und -auswerfer)
- File:Patent-DE-821773.pdf + (Druckbleistift)
- File:Patent-DE-727003.pdf + (Druckfuellbleistift)
- File:Patent-DE-847271.pdf + (Druckfuellbleistift)
- File:Patent-CH-219430.pdf + (Druckfuellbleistift)
- File:Patent-DE-907749.pdf + (Druckfuellbleistift)
- File:Patent-DE-714769.pdf + (Druckfuellbleistift mit einer Minenfoerderklemmzange)
- File:Patent-DE-718495.pdf + (Druckfuellbleistift mit zwei Minenklemmzangen)
- File:Patent-DE-739296.pdf + (Druckfuellhalter)
- File:Patent-DE-1668306U.pdf + (Druckfüllbleistift)
- File:Patent-DE-1721600U.pdf + (Druckfüllbleistift)
- File:Patent-DE-1653241U.pdf + (Druckfüllbleistift)
- File:Patent-DE-1656017U.pdf + (Druckfüllbleistift)
- File:Patent-DE-1656016U.pdf + (Druckfüllbleistift)
- File:Patent-DE-741772.pdf + (Druckfüllbleistift mit einem durch ein unter Federwirkung stehendes Vorschubrohr längs verschiebbaren Spitzenkörper)
- File:Patent-DE-664007.pdf + (Druckfüllbleistift mit im Spitzenkörper angeordneter, unter der Wirkung eines Klemmgliedes stehender, geschlitzter, hülsenförmiger Klemmzange)
- File:Patent-CH-220232.pdf + (Druckfüllbleistift mit zwei Minenklemmzangen)
- File:Patent-DE-1092808.pdf + (Druckmechanismus)
- File:Patent-DE-1674855U.pdf + (Druckschreibstift)
- File:Patent-US-2509465.pdf + (Dual-well fountain pen)
- File:Patent-DE-818614.pdf + (Einhaengeklemme fuer Fuellfeder- und Bleistifthalter)
- File:Patent-DE-610352.pdf + (Einrichtung für Tintenbehälter, insbesondere Selbstfüller-Tintenbehälter, zum Füllen von Selbstfüllhaltern)
- File:Patent-DE-835416.pdf + (Einsatzgefaess fuer Hohlbehaelter)
- File:Patent-DE-900667.pdf + (Einsatzspitze für Kugelschreiber mit Flüssigkeitsfüllung von vorne)
- File:Patent-FR-934719.pdf + (Encre perfectionnée)
- File:Patent-FR-734996.pdf + (Encrier perfectionné)
- File:Patent-FR-513181.pdf + (Encrier pour remplissage de porte-plume réservoir)
- File:Patent-US-2640297.pdf + (Explosive fountain pen)
- File:Patent-FR-732570.pdf + (Fabrication perfectionnée d'encres à écrire)
- File:Patent-DE-744671.pdf + (Fallgewicht aus tintenbestaendigem Werkstoff fuer die Schreibnadel von Fuellhaltern)
- File:Patent-CH-24220.pdf + (Fallstifthalter)
- File:Patent-US-1808779.pdf + (Fastening clip and means for attaching the same)
- File:Patent-US-1923269.pdf + (Fastening clip for fountain pens, pencils, and the like and attaching means therefor)
- File:Patent-US-2418410.pdf + (Fastening device)
- File:Patent-US-1506207.pdf + (Fastening device to be used in connection with mechanical pencils, fountain pens, and the like)
- File:Patent-DE-856273.pdf + (Feder fuer Fuellfederhalter)
- File:Patent-DE-820098.pdf + (Federeinsatzteil fuer Fuellfederhalter)
- File:Patent-CH-6035.pdf + (Federförmiges Schreibwerkzeug aus Aluminium zum Schreiben auf Schiefertafeln)
- File:Patent-AT-56132B.pdf + (Federhalter)
- File:Patent-AT-63461B.pdf + (Federhalter)
- File:Patent-DE-384550.pdf + (Federhalter)
- File:Patent-CH-13885.pdf + (Federhalter mit Tintenbehälter)
- File:Patent-CH-282E.pdf + (Federhalter mit Tintenbehälter)
- File:Patent-DE-92299.pdf + (Federhalter mit Tintenbehälter)
- File:Patent-US-1885862.pdf + (Feed bar and pen point)
- File:Patent-US-3532436.pdf + (Feed bar for Fountain Pens)
- File:Patent-US-1483675.pdf + (Feed bar for fountain pens)
- File:Patent-GB-639996.pdf + (Feed device for fountain pen nibs)
- File:Patent-US-1882644.pdf + (Feed for fountain pens)
- File:Patent-US-2380763.pdf + (Feed for fountain pens)
- File:Patent-US-1357083.pdf + (Feed-bar for fountain-pens)
- File:Patent-US-910980.pdf + (Feed-bar for fountain-pens)
- File:Patent-US-1706923.pdf + (Feeder bar)
- File:Patent-US-778997.pdf + (Feeder for fountain-pens)
- File:Patent-US-776428.pdf + (Feeder-bar for fountain-pens)
- File:Patent-US-3038506.pdf + (Filler device for fountain pens)
- File:Patent-US-1733780.pdf + (Filling device for fountain pens)
- File:Patent-US-1447790.pdf + (Filling device with rubber cap for fountain pens)
- File:Patent-US-2343991.pdf + (Filling mechanism for fountain pens)
- File:Patent-US-2398531.pdf + (Filling mechanism for fountain pens)
- File:Patent-US-1381546.pdf + (Filling-bottle for fountain-pens)
- File:Patent-US-D185824.pdf + (Finger grip for a writing instrument or the like)
- File:Patent-US-794329.pdf + (Finger-guard for penholders or pencils)
- File:Patent-DE-422602.pdf + (Fingerstütze)
- File:Patent-FR-593376.pdf + (Fixation et alimentation d'une plume de porte-plume réservoir)
- File:Patent-DE-574150.pdf + (Flachfeder)
- File:Patent-DE-526445.pdf + (Flachfeder mit einem die Strichstärke herbeiführenden Plättchen)
- File:Patent-FR-811398.pdf + (Flacon pour encre de chine et autres liquides)
- File:Patent-NL-34348C.pdf + (Flesch, ingerich voor het brengen van een kleine hoeveelheid vloeistof naar een hulpruimte)
- File:Patent-DE-846072.pdf + (Flüssigkeitsbehälter)
- File:Patent-US-1555407.pdf + (Fountain)
- File:Patent-US-1608707.pdf + (Fountain Attachment for Pens)
- File:Patent-US-813534.pdf + (Fountain Pen)
- File:Patent-US-1531800.pdf + (Fountain Pen)
- File:Patent-CA-83131.pdf + (Fountain Pen)
- File:Patent-US-1482568.pdf + (Fountain Pen)
- File:Patent-CA-255206.pdf + (Fountain Pen)
- File:Patent-US-3442597.pdf + (Fountain Pen)
- File:Patent-GB-336878.pdf + (Fountain Pen Holder)
- File:Patent-US-2961999.pdf + (Fountain Pens)
- File:Patent-US-1375559.pdf + (Fountain and other reservoir-pen)
- File:Patent-US-1277613.pdf + (Fountain and stylographic pens)
- File:Patent-US-333104.pdf + (Fountain attachment for pens)
- File:Patent-US-1480302.pdf + (Fountain drawing pen)
- File:Patent-US-1277848.pdf + (Fountain or reservoir pen)
- File:Patent-US-1577646.pdf + (Fountain or reservoir pen)
- File:Patent-US-1124454.pdf + (Fountain or reservoir pen)
- File:Patent-US-1122559.pdf + (Fountain or reservoir pen)
- File:Patent-US-1386817.pdf + (Fountain or reservoir pen)
- File:Patent-US-1594740.pdf + (Fountain pen)
- File:Patent-US-1737463.pdf + (Fountain pen)
- File:Patent-US-1775068.pdf + (Fountain pen)
- File:Patent-US-721549.pdf + (Fountain pen)
- File:Patent-US-750271.pdf + (Fountain pen)
- File:Patent-US-764227.pdf + (Fountain pen)
- File:Patent-US-780416.pdf + (Fountain pen)
- File:Patent-US-1669714.pdf + (Fountain pen)
- File:Patent-US-1272697.pdf + (Fountain pen)
- File:Patent-US-1561590.pdf + (Fountain pen)
- File:Patent-US-2040999.pdf + (Fountain pen)
- File:Patent-US-1540763.pdf + (Fountain pen)
- File:Patent-US-1704470.pdf + (Fountain pen)
- File:Patent-US-1528379.pdf + (Fountain pen)
- File:Patent-US-1755586.pdf + (Fountain pen)
- File:Patent-US-1840110.pdf + (Fountain pen)
- File:Patent-US-2017109.pdf + (Fountain pen)
- File:Patent-US-2017110.pdf + (Fountain pen)
- File:Patent-US-2139045.pdf + (Fountain pen)
- File:Patent-US-2188662.pdf + (Fountain pen)
- File:Patent-US-1807415.pdf + (Fountain pen)
- File:Patent-US-2289963.pdf + (Fountain pen)
- File:Patent-US-1569783.pdf + (Fountain pen)
- File:Patent-US-2059577.pdf + (Fountain pen)
- File:Patent-US-2105189.pdf + (Fountain pen)
- File:Patent-US-2133617.pdf + (Fountain pen)
- File:Patent-US-2148236.pdf + (Fountain pen)
- File:Patent-US-2170242.pdf + (Fountain pen)
- File:Patent-US-2225864.pdf + (Fountain pen)
- File:Patent-US-2263299.pdf + (Fountain pen)
- File:Patent-US-2328143.pdf + (Fountain pen)
- File:Patent-US-2331606.pdf + (Fountain pen)
- File:Patent-US-2422351.pdf + (Fountain pen)
- File:Patent-US-2016106.pdf + (Fountain pen)
- File:Patent-US-1902633.pdf + (Fountain pen)
- File:Patent-US-1402409.pdf + (Fountain pen)
- File:Patent-US-1301317.pdf + (Fountain pen)
- File:Patent-US-1238657.pdf + (Fountain pen)
- File:Patent-US-1574919.pdf + (Fountain pen)
- File:Patent-US-1657033.pdf + (Fountain pen)
- File:Patent-US-1658940.pdf + (Fountain pen)
- File:Patent-US-1724107.pdf + (Fountain pen)
- File:Patent-US-1574929.pdf + (Fountain pen)
- File:Patent-US-1574930.pdf + (Fountain pen)
- File:Patent-US-1851257.pdf + (Fountain pen)
- File:Patent-US-2148853.pdf + (Fountain pen)
- File:Patent-US-1918239.pdf + (Fountain pen)
- File:Patent-US-1939753.pdf + (Fountain pen)
- File:Patent-US-1999177.pdf + (Fountain pen)
- File:Patent-US-2152436.pdf + (Fountain pen)
- File:Patent-US-2176661.pdf + (Fountain pen)
- File:Patent-US-2396919.pdf + (Fountain pen)
- File:Patent-US-2092459.pdf + (Fountain pen)
- File:Patent-US-1577548.pdf + (Fountain pen)
- File:Patent-US-1809416.pdf + (Fountain pen)
- File:Patent-US-2432112.pdf + (Fountain pen)
- File:Patent-US-416944.pdf + (Fountain pen)
- File:Patent-US-1486246.pdf + (Fountain pen)
- File:Patent-US-1507729.pdf + (Fountain pen)
- File:Patent-US-1793824.pdf + (Fountain pen)
- File:Patent-US-1801635.pdf + (Fountain pen)
- File:Patent-US-1904358.pdf + (Fountain pen)
- File:Patent-US-1419026.pdf + (Fountain pen)
- File:Patent-US-1882780.pdf + (Fountain pen)
- File:Patent-US-2035378.pdf + (Fountain pen)
- File:Patent-US-2187528.pdf + (Fountain pen)
- File:Patent-US-2223541.pdf + (Fountain pen)
- File:Patent-US-2282840.pdf + (Fountain pen)
- File:Patent-US-2360297.pdf + (Fountain pen)
- File:Patent-US-2375770.pdf + (Fountain pen)
- File:Patent-US-2387001.pdf + (Fountain pen)
- File:Patent-US-2404063.pdf + (Fountain pen)
- File:Patent-US-2417861.pdf + (Fountain pen)
- File:Patent-US-2428863.pdf + (Fountain pen)
- File:Patent-US-2462929.pdf + (Fountain pen)
- File:Patent-US-2483603.pdf + (Fountain pen)
- File:Patent-US-2512004.pdf + (Fountain pen)
- File:Patent-US-2522553.pdf + (Fountain pen)
- File:Patent-US-2522554.pdf + (Fountain pen)
- File:Patent-US-2522555.pdf + (Fountain pen)
- File:Patent-US-2528327.pdf + (Fountain pen)
- File:Patent-US-2139084.pdf + (Fountain pen)
- File:Patent-US-2528408.pdf + (Fountain pen)
- File:Patent-US-2410423.pdf + (Fountain pen)
- File:Patent-GB-642437.pdf + (Fountain pen)
- File:Patent-US-2554654.pdf + (Fountain pen)
- File:Patent-US-2581739.pdf + (Fountain pen)
- File:Patent-US-2581740.pdf + (Fountain pen)
- File:Patent-US-2587949.pdf + (Fountain pen)
- File:Patent-US-2278907.pdf + (Fountain pen)
- File:Patent-US-2612867.pdf + (Fountain pen)
- File:Patent-US-2398521.pdf + (Fountain pen)
- File:Patent-US-2521657.pdf + (Fountain pen)
- File:Patent-US-1633896.pdf + (Fountain pen)
- File:Patent-US-2255093.pdf + (Fountain pen)
- File:Patent-US-2283333.pdf + (Fountain pen)
- File:Patent-US-2648309.pdf + (Fountain pen)
- File:Patent-US-2670711.pdf + (Fountain pen)
- File:Patent-US-1989220.pdf + (Fountain pen)
- File:Patent-US-2305287.pdf + (Fountain pen)
- File:Patent-US-2316479.pdf + (Fountain pen)
- File:Patent-US-2328116.pdf + (Fountain pen)
- File:Patent-US-1426200.pdf + (Fountain pen)
- File:Patent-US-2681041.pdf + (Fountain pen)
- File:Patent-US-2935044.pdf + (Fountain pen)
- File:Patent-US-2712299.pdf + (Fountain pen)
- File:Patent-US-2766728.pdf + (Fountain pen)
- File:Patent-US-2241865.pdf + (Fountain pen)
- File:Patent-US-2325550.pdf + (Fountain pen)
- File:Patent-US-1558553.pdf + (Fountain pen)
- File:Patent-US-1661225.pdf + (Fountain pen)
- File:Patent-US-1706616.pdf + (Fountain pen)
- File:Patent-US-1918404.pdf + (Fountain pen)
- File:Patent-US-2338947.pdf + (Fountain pen)
- File:Patent-US-2766729.pdf + (Fountain pen)
- File:Patent-US-2401167.pdf + (Fountain pen)
- File:Patent-US-1540416.pdf + (Fountain pen)
- File:Patent-US-1594319.pdf + (Fountain pen)
- File:Patent-US-2144296.pdf + (Fountain pen)
- File:Patent-US-3203403.pdf + (Fountain pen)
- File:Patent-US-2871825.pdf + (Fountain pen)
- File:Patent-US-2158615.pdf + (Fountain pen)
- File:Patent-US-2362948.pdf + (Fountain pen)
- File:Patent-US-1787406.pdf + (Fountain pen)
- File:Patent-US-607398.pdf + (Fountain pen)
- File:Patent-US-1507782.pdf + (Fountain pen)
- File:Patent-US-1926405.pdf + (Fountain pen)
- File:Patent-US-1983682.pdf + (Fountain pen)
- File:Patent-US-2091648.pdf + (Fountain pen)
- File:Patent-US-2091649.pdf + (Fountain pen)
- File:Patent-US-2096708.pdf + (Fountain pen)
- File:Patent-US-2101304.pdf + (Fountain pen)
- File:Patent-US-2104638.pdf + (Fountain pen)
- File:Patent-US-2107150.pdf + (Fountain pen)
- File:Patent-US-2107162.pdf + (Fountain pen)
- File:Patent-US-2110558.pdf + (Fountain pen)
- File:Patent-US-2110578.pdf + (Fountain pen)
- File:Patent-US-2113633.pdf + (Fountain pen)
- File:Patent-US-2274470.pdf + (Fountain pen)
- File:Patent-US-2303373.pdf + (Fountain pen)
- File:Patent-US-2303374.pdf + (Fountain pen)
- File:Patent-US-2314563.pdf + (Fountain pen)
- File:Patent-US-2314551.pdf + (Fountain pen)
- File:Patent-US-2474996.pdf + (Fountain pen)
- File:Patent-US-2012722.pdf + (Fountain pen)
- File:Patent-US-2400768.pdf + (Fountain pen)
- File:Patent-US-2400679.pdf + (Fountain pen)
- File:Patent-US-1868257.pdf + (Fountain pen)
- File:Patent-US-651735.pdf + (Fountain pen)
- File:Patent-US-2491082.pdf + (Fountain pen)
- File:Patent-US-764652.pdf + (Fountain pen)
- File:Patent-US-1301057.pdf + (Fountain pen)
- File:Patent-US-1446524.pdf + (Fountain pen)
- File:Patent-US-1562267.pdf + (Fountain pen)
- File:Patent-US-1624190.pdf + (Fountain pen)
- File:Patent-US-1490686.pdf + (Fountain pen)
- File:Patent-US-1585805.pdf + (Fountain pen)
- File:Patent-US-1452653.pdf + (Fountain pen)
- File:Patent-US-1567823.pdf + (Fountain pen)
- File:Patent-US-1567824.pdf + (Fountain pen)
- File:Patent-US-1586541.pdf + (Fountain pen)
- File:Patent-US-1624194.pdf + (Fountain pen)
- File:Patent-US-1825931.pdf + (Fountain pen)
- File:Patent-US-1989990.pdf + (Fountain pen)
- File:Patent-US-D146806.pdf + (Fountain pen)
- File:Patent-US-2120059.pdf + (Fountain pen)
- File:Patent-US-2142531.pdf + (Fountain pen)
- File:Patent-US-2142532.pdf + (Fountain pen)
- File:Patent-US-2142533.pdf + (Fountain pen)
- File:Patent-US-2419483.pdf + (Fountain pen)
- File:Patent-US-1990441.pdf + (Fountain pen)
- File:Patent-US-1317472.pdf + (Fountain pen)
- File:Patent-US-2068419.pdf + (Fountain pen)
- File:Patent-US-2087672.pdf + (Fountain pen)
- File:Patent-US-2217755.pdf + (Fountain pen)
- File:Patent-US-1893130.pdf + (Fountain pen)
- File:Patent-US-2125957.pdf + (Fountain pen)
- File:Patent-US-2099126.pdf + (Fountain pen)
- File:Patent-US-2770221.pdf + (Fountain pen)
- File:Patent-US-2031343.pdf + (Fountain pen)
- File:Patent-US-2464104.pdf + (Fountain pen)
- File:Patent-US-2620774.pdf + (Fountain pen)
- File:Patent-US-1917568.pdf + (Fountain pen)
- File:Patent-US-1634618.pdf + (Fountain pen)
- File:Patent-US-1910907.pdf + (Fountain pen)
- File:Patent-GB-634735.pdf + (Fountain pen)
- File:Patent-US-RE23683.pdf + (Fountain pen)
- File:Patent-US-2603189.pdf + (Fountain pen)
- File:Patent-US-2340359.pdf + (Fountain pen)
- File:Patent-US-2435123.pdf + (Fountain pen)
- File:Patent-US-2749883.pdf + (Fountain pen)
- File:Patent-US-1819383.pdf + (Fountain pen)
- File:Patent-US-1821477.pdf + (Fountain pen)
- File:Patent-US-1985643.pdf + (Fountain pen)
- File:Patent-US-2035372.pdf + (Fountain pen)
- File:Patent-US-2037177.pdf + (Fountain pen)
- File:Patent-US-2403039.pdf + (Fountain pen)
- File:Patent-US-2645205.pdf + (Fountain pen)
- File:Patent-US-2702021.pdf + (Fountain pen)
- File:Patent-US-2726639.pdf + (Fountain pen)
- File:Patent-US-2773479.pdf + (Fountain pen)
- File:Patent-US-2871823.pdf + (Fountain pen)
- File:Patent-US-2888908.pdf + (Fountain pen)
- File:Patent-US-2889810.pdf + (Fountain pen)
- File:Patent-US-2905148.pdf + (Fountain pen)
- File:Patent-US-3134362.pdf + (Fountain pen)
- File:Patent-US-3154055.pdf + (Fountain pen)
- File:Patent-US-2167815.pdf + (Fountain pen)
- File:Patent-US-1776384.pdf + (Fountain pen)
- File:Patent-US-559034.pdf + (Fountain pen)
- File:Patent-US-1780527.pdf + (Fountain pen)
- File:Patent-US-RE16349.pdf + (Fountain pen)