FountainPen

Proprietà:Patent title

Titolo del brevetto (come riportato sullo stesso).

precedenti 202050100250500successivi 20
Showing 20 pages using this property.
P
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  +
Patent-US-1745483.pdf +
Unbreakable writing instrument and method of making same  +
Patent-US-1746065.pdf +
Fountain-pen attachment  +
Patent-US-1749037.pdf +
Support for fountain-pen holders  +
Patent-US-174965.pdf +
Improvements in fountain pen  +
Patent-US-1750410.pdf +
Reservoir pen  +
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