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-1825090.pdf +
Combination pen cap and blotter  +
Patent-US-1825931.pdf +
Fountain pen  +
Patent-US-1826246.pdf +
Closure for self-filling pens  +
Patent-US-1828018.pdf +
Fountain pen filling device  +
Patent-US-1828019.pdf +
Fountain pen filling device  +
Patent-US-1832170.pdf +
Fountain pen desk set  +
Patent-US-1833244.pdf +
Magazine pencil  +
Patent-US-1840110.pdf +
Fountain pen  +
Patent-US-1842503.pdf +
Penholder for writing instruments  +
Patent-US-1842677.pdf +
Fountain pen protector  +
Patent-US-1845293.pdf +
Pencil  +
Patent-US-1846604.pdf +
Magazine pencil  +
Patent-US-1848283.pdf +
Display apparatus  +
Patent-US-1851257.pdf +
Fountain pen  +
Patent-US-1852094.pdf +
Fountain pen pressure bar  +
Patent-US-1853316.pdf +
Device for facilitating the filling of fountain pens  +
Patent-US-1853731.pdf +
Reservoir pen  +
Patent-US-1853876.pdf +
Desk set mounting  +
Patent-US-1854747.pdf +
Clip for fountain pens and pencils  +
Patent-US-1860093.pdf +
Writing instrument receiving receptacle  +
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