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-1872151.pdf +
Tip for mechanical pencils  +
Patent-US-1876151.pdf +
Pen-point  +
Patent-US-1876152.pdf +
Container  +
Patent-US-1876197.pdf +
Fountain pen desk set  +
Patent-US-1876298.pdf +
Self-filling pen  +
Patent-US-1876698.pdf +
Pencil  +
Patent-US-1882644.pdf +
Feed for fountain pens  +
Patent-US-1882780.pdf +
Fountain pen  +
Patent-US-1883160.pdf +
Frictional packing  +
Patent-US-1885862.pdf +
Feed bar and pen point  +
Patent-US-1886307.pdf +
Fountain pen section  +
Patent-US-1890100.pdf +
Fountain pen  +
Patent-US-1892145.pdf +
Mechanical pencil  +
Patent-US-1892181.pdf +
Desk set structure  +
Patent-US-1892369.pdf +
Self-filling fountain pen  +
Patent-US-1892499.pdf +
Securing means for receiving receptacles for pens  +
Patent-US-1892509.pdf +
Desk set  +
Patent-US-1892523.pdf +
Desk set for fountain pens  +
Patent-US-1892524.pdf +
Fountain pen desk set  +
Patent-US-189304.pdf +
Fountain-pens  +
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