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-2506035.pdf +
Writing instrument  +
Patent-US-2509234.pdf +
Fountain pen cap  +
Patent-US-2509465.pdf +
Dual-well fountain pen  +
Patent-US-2510634.pdf +
Magnetic desk set  +
Patent-US-2510648.pdf +
Pen desk set  +
Patent-US-2512004.pdf +
Fountain pen  +
Patent-US-2513380.pdf +
Writing instrument  +
Patent-US-2517522.pdf +
Slider for propelling pencils with several leads  +
Patent-US-2519635.pdf +
Fountain pen  +
Patent-US-2519675.pdf +
Desk penholder  +
Patent-US-2519966.pdf +
Fountain pen  +
Patent-US-2521657.pdf +
Fountain pen  +
Patent-US-2522553.pdf +
Fountain pen  +
Patent-US-2522554.pdf +
Fountain pen  +
Patent-US-2522555.pdf +
Fountain pen  +
Patent-US-2526268.pdf +
Push button type mechanical pencil  +
Patent-US-2528327.pdf +
Fountain pen  +
Patent-US-2528328.pdf +
Clutch mechanism for mechanical pencils  +
Patent-US-2528390.pdf +
Writing inks  +
Patent-US-2528408.pdf +
Fountain pen  +
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