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-2432061.pdf +
Writing instrument  +
Patent-US-2432112.pdf +
Fountain pen  +
Patent-US-2435123.pdf +
Fountain pen  +
Patent-US-2452504.pdf +
Writing instrument  +
Patent-US-2454086.pdf +
Ball-point writing instrument  +
Patent-US-2455964.pdf +
Pen  +
Patent-US-2456602.pdf +
Fountain pen  +
Patent-US-2462929.pdf +
Fountain pen  +
Patent-US-2464104.pdf +
Fountain pen  +
Patent-US-2468699.pdf +
Clip for mechanical pencils, fountain pens, and the like  +
Patent-US-2472343.pdf +
Fountain pen  +
Patent-US-2473149.pdf +
Mechanical pencil with step-by-steplead feeding means  +
Patent-US-2473688.pdf +
Clip for writing instruments  +
Patent-US-2473689.pdf +
Clip for writing instruments  +
Patent-US-2473690.pdf +
Clip for writing instruments  +
Patent-US-2474996.pdf +
Fountain pen  +
Patent-US-2480014.pdf +
Changeable propelling pencil  +
Patent-US-2481874.pdf +
Ball-point writing instrument  +
Patent-US-2483329.pdf +
Writing instrument  +
Patent-US-2483603.pdf +
Fountain pen  +
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