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-1649142.pdf +
Mechanical date indicator  +
Patent-US-1653151.pdf +
Pencil  +
Patent-US-1657033.pdf +
Fountain pen  +
Patent-US-1658147.pdf +
Fountain-pen desk set  +
Patent-US-1658940.pdf +
Fountain pen  +
Patent-US-1661225.pdf +
Fountain pen  +
Patent-US-1669036.pdf +
Pen-gripping device  +
Patent-US-1669040.pdf +
Pen-gripping device  +
Patent-US-1669714.pdf +
Fountain pen  +
Patent-US-1671125.pdf +
Ink cartridge  +
Patent-US-1673579.pdf +
Lever for self-filling fountain pens  +
Patent-US-1674259.pdf +
Pencil gripper  +
Patent-US-1674260.pdf +
Pencil gripper  +
Patent-US-1674261.pdf +
Pencil gripper  +
Patent-US-1675543.pdf +
Fountain-pen desk stand  +
Patent-US-1675826.pdf +
Pencil  +
Patent-US-1681954.pdf +
Fountain-pen clip  +
Patent-US-1694945.pdf +
Mechanical pencil  +
Patent-US-1696183.pdf +
Clip for pencil and the like  +
Patent-US-1696218.pdf +
Fountain-pen desk set  +
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