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-1735224.pdf +
Fountain-pen assembling  +
Patent-US-1737463.pdf +
Fountain pen  +
Patent-US-1737948.pdf +
Desk fountain-pen holder  +
Patent-US-1741368.pdf +
Pen and pencil mount  +
Patent-US-1742711.pdf +
Magazine pencil  +
Patent-US-1745483.pdf +
Unbreakable writing instrument and method of making same  +
Patent-US-1746065.pdf +
Fountain-pen attachment  +
Patent-US-1749037.pdf +
Support for fountain-pen holders  +
Patent-US-174965.pdf +
Improvements in fountain pen  +
Patent-US-1750410.pdf +
Reservoir pen  +
Patent-US-1755586.pdf +
Fountain pen  +
Patent-US-1758199.pdf +
Pen desk set  +
Patent-US-1762103.pdf +
Fountain pen and stand therefor  +
Patent-US-1762104.pdf +
Stand for fountain pens  +
Patent-US-1767189.pdf +
Writing Pen  +
Patent-US-1772000.pdf +
Desk-set receptacle and gripper  +
Patent-US-1772608.pdf +
Fountain pen  +
Patent-US-1773475.pdf +
Closure means for containers  +
Patent-US-1775068.pdf +
Fountain pen  +
Patent-US-1776384.pdf +
Fountain pen  +
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