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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-US-2159002.pdf + (Manufacture of metal stock)
- File:Patent-US-2159003.pdf + (Manufacture of writing pens)
- File:Patent-US-2228250.pdf + (Manufacture of writing pens)
- File:Patent-US-2396058.pdf + (Marking pen)
- File:Patent-US-2254975.pdf + (Material for pen tips)
- File:Patent-US-1735199.pdf + (Means and method of assembling nibs and feed members for fountain pens)
- File:Patent-US-716489.pdf + (Means for attaching caps to fountain or other pens)
- File:Patent-GB-432142.pdf + (Means for filling the necks of bottles)
- File:Patent-US-1867932.pdf + (Means for making pen nibs)
- File:Patent-US-1450162.pdf + (Means for retaining pens, pencils, and the like in the pockets of garments)
- File:Patent-US-1649142.pdf + (Mechanical date indicator)
- File:Patent-US-2427243.pdf + (Mechanical ink pencil)
- File:Patent-US-2427033.pdf + (Mechanical ink pencil)
- File:Patent-US-2186869.pdf + (Mechanical magazine pencil)
- File:Patent-US-1425871.pdf + (Mechanical pencil)
- File:Patent-US-1556701.pdf + (Mechanical pencil)
- File:Patent-US-1905920.pdf + (Mechanical pencil)
- File:Patent-US-2072711.pdf + (Mechanical pencil)
- File:Patent-US-1694945.pdf + (Mechanical pencil)
- File:Patent-US-1613810.pdf + (Mechanical pencil)
- File:Patent-US-1130741.pdf + (Mechanical pencil)