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-2292381.pdf +
Fountain pen feed  +
Patent-US-2292683.pdf +
Clip and cap for mechanical pencils, fountain pens, and the like  +
Patent-US-2293343.pdf +
Mechanical pencil  +
Patent-US-2293621.pdf +
Mechanical pencil  +
Patent-US-2293622.pdf +
Mechanical pencil  +
Patent-US-2293623.pdf +
Mechanical pencil  +
Patent-US-2303373.pdf +
Fountain pen  +
Patent-US-2303374.pdf +
Fountain pen  +
Patent-US-2304832.pdf +
Ink feeding means for writing pens  +
Patent-US-2305287.pdf +
Fountain pen  +
Patent-US-2308658.pdf +
Apparatus for tipping metal bases with metal tips  +
Patent-US-2308659.pdf +
Apparatus for tipping metal bases with metal tips  +
Patent-US-2308810.pdf +
Desk set mounting  +
Patent-US-2312928.pdf +
Tool for assembling mechanical pencils  +
Patent-US-2314551.pdf +
Fountain pen  +
Patent-US-2314562.pdf +
Pour-out closure  +
Patent-US-2314563.pdf +
Fountain pen  +
Patent-US-2316478.pdf +
Pen point material  +
Patent-US-2316479.pdf +
Fountain pen  +
Patent-US-2318950.pdf +
Cap and clip for fountain pens  +
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