Proprietà:Patent title

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Titolo del brevetto (come riportato sullo stesso).

precedenti 202050100250500successivi 20
Showing 20 pages using this property.
P
Patent-US-1574930.pdf +
Fountain pen  +
Patent-US-1576588.pdf +
Art of manufacturing fountain-pen caps and barrels  +
Patent-US-1577548.pdf +
Fountain pen  +
Patent-US-1577646.pdf +
Fountain or reservoir pen  +
Patent-US-1578565.pdf +
Mechanical pencil  +
Patent-US-1580093.pdf +
Fountain-pen  +
Patent-US-1583579.pdf +
Fountain pen cap  +
Patent-US-1585805.pdf +
Fountain pen  +
Patent-US-1586541.pdf +
Fountain pen  +
Patent-US-1594319.pdf +
Fountain pen  +
Patent-US-1594740.pdf +
Fountain pen  +
Patent-US-159513.pdf +
Pen and pencil-case  +
Patent-US-1596722.pdf +
Cap for fountain pens  +
Patent-US-1596811.pdf +
Fountain-pen filler  +
Patent-US-1600293.pdf +
Method of working upon surfaces of ebonite articles  +
Patent-US-1602055.pdf +
Self-filling stylographic pen  +
Patent-US-1604906.pdf +
Fountain pen  +
Patent-US-1605151.pdf +
Clamp or clip for fountain pens  +
Patent-US-1606930.pdf +
Fountain pen  +
Patent-US-1607048.pdf +
Pen-filling mechanism  +
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