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Elenco dei risultati

• File:Patent-GB-220793.pdf  + (Improvements in reservoir pens)
• File:Patent-GB-185512.pdf  + (Improvements in reservoir pens and the like)
• File:Patent-GB-1039667.pdf  + (Improvements in reservoir writing, drawing or marking instruments)
• File:Patent-GB-1017991.pdf  + (Improvements in self-filling fountain pen)
• File:Patent-GB-451275.pdf  + (Improvements in self-filling fountain pens)
• File:Patent-GB-480965.pdf  + (Improvements in self-filling fountain pens)
• File:Patent-GB-532979.pdf  + (Improvements in self-filling fountain pens)
• File:Patent-GB-213142.pdf  + (Improvements in self-filling reservoir pens)
• File:Patent-GB-326242.pdf  + (Improvements in self-filling sac pens)
• File:Patent-US-217888.pdf  + (Improvements in stylographic fountain-pens)
• File:Patent-GB-525411.pdf  + (Improvements in stylographs)
• File:Patent-GB-225200.pdf  + (Improvements in the manufacture of pens)
• File:Patent-GB-260304.pdf  + (Improvements in tools for poster writing)
• File:Patent-GB-634823.pdf  + (Improvements in writing instruments)
• File:Patent-GB-207904.pdf  + (Improvements in, or relating to fountain pens)
• File:Patent-GB-390585.pdf  + (Improvements in, or relating to, Fountain Pens)
• File:Patent-GB-713536.pdf  + (Improvements relating to Fountain Pens)
• File:Patent-GB-517388.pdf  + (Improvements relating to Fountain Pens)
• File:Patent-GB-484593.pdf  + (Improvements relating to fountain pens)
• File:Patent-GB-688902.pdf  + (Improvements relating to fountain pens)
• File:Patent-GB-222913.pdf  + (Improvements relating to polishing machines)
• File:Patent-GB-495419.pdf  + (Improvements relating to propelling pencils)
• File:Patent-GB-472380.pdf  + (Improvements relating to propelling pencils)
• File:Patent-GB-610253.pdf  + (Improvements relating to self-filling fountain pens)
• File:Patent-US-1932765.pdf  + (Ink bottle)

• File:Patent-US-1671125.pdf  + (Ink cartridge)

• File:Patent-US-2258030.pdf  + (Ink container)
• File:Patent-US-2619070.pdf  + (Ink feed and overflow collector means for fountain pens)
• File:Patent-US-2304832.pdf  + (Ink feeding means for writing pens)
• File:Patent-US-1524068.pdf  + (Ink pencil)
• File:Patent-US-1959959.pdf  + (Ink phial or filler)
• File:Patent-US-2690739.pdf  + (Ink reservoir and flow control)
• File:Patent-US-2431015.pdf  + (Ink reservoir pen)
• File:Patent-US-2758568.pdf  + (Ink wells)
• File:Patent-US-1372608.pdf  + (Ink-content-indicating fountain-pen)
• File:Patent-US-1085714.pdf  + (Ink-pencil)
• File:Patent-US-733491.pdf  + (Inking appliance)
• File:Patent-US-1902091.pdf  + (Inkstand)
• File:Patent-US-324393.pdf  + (Inkstand)
• File:Patent-US-19613.pdf  + (Inkstand)
• File:Patent-US-38863.pdf  + (Inkstand)
• File:Patent-US-1473701.pdf  + (Inkstand for soluble ink)
• File:Patent-NL-81874.pdf  + (Inktgeleider voor een vulpenhouder)
• File:Patent-US-2002092.pdf  + (Inkwell)
• File:Patent-US-2621629.pdf  + (Inkwell)
• File:Patent-US-2152161.pdf  + (Inlaid article and method of inlaying)
• File:Patent-US-087661.pdf  + (Inprovements in pens)
• File:Patent-FR-1374829.pdf  + (Instrument d'écriture, notamment stylographe, dont la partie antérieure comporte des emplacements d'appui pour les doigts)
• File:Patent-FR-1002930.pdf  + (Instrument graphique)
• File:Patent-CH-264326.pdf  + (Instrument à écrire)
• File:Patent-US-2136290.pdf  + (Interchangeable lead pencil)