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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-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)