Proprietà:Patent title

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Titolo del brevetto (come riportato sullo stesso).

precedenti 202050100250500successivi 20
Showing 20 pages using this property.
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Patent-US-1706751.pdf +
Fountain pen  +
Patent-US-1706923.pdf +
Feeder bar  +
Patent-US-1708671.pdf +
Machine for writing a plurality of signatures  +
Patent-US-1712304.pdf +
Fountain pen  +
Patent-US-1712850.pdf +
Pencil  +
Patent-US-1714418.pdf +
Pencil  +
Patent-US-1717001.pdf +
Clip and cap structure for fountain pens  +
Patent-US-1719895.pdf +
Clip  +
Patent-US-1720471.pdf +
Attaching clip  +
Patent-US-1720717.pdf +
Magazine pencil  +
Patent-US-1723171.pdf +
Fountain pen  +
Patent-US-1724106.pdf +
Cartridge pen  +
Patent-US-1724107.pdf +
Fountain pen  +
Patent-US-1733780.pdf +
Filling device for fountain pens  +
Patent-US-1735199.pdf +
Means and method of assembling nibs and feed members for fountain pens  +
Patent-US-1735224.pdf +
Fountain-pen assembling  +
Patent-US-1737463.pdf +
Fountain pen  +
Patent-US-1737948.pdf +
Desk fountain-pen holder  +
Patent-US-1741368.pdf +
Pen and pencil mount  +
Patent-US-1742711.pdf +
Magazine pencil  +
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