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-1777736.pdf +
Fountain pen  +
Patent-US-1779836.pdf +
Fountain pen and method of assembling same  +
Patent-US-1780527.pdf +
Fountain pen  +
Patent-US-1782108.pdf +
Desk stand and holder for fountain pens  +
Patent-US-1782109.pdf +
Fountain-pen desk stand  +
Patent-US-1782597.pdf +
Dispensing cabinet  +
Patent-US-1783630.pdf +
Fountain-pen desk stand  +
Patent-US-1783681.pdf +
Fountain-Pen refill indicator  +
Patent-US-1783734.pdf +
Fountain pen attachment  +
Patent-US-1784078.pdf +
Device for automatically filling fountain pens  +
Patent-US-1787406.pdf +
Fountain pen  +
Patent-US-1789522.pdf +
Fountain pen holder  +
Patent-US-1790037.pdf +
Sealing apparatus  +
Patent-US-1791776.pdf +
Device for operating on nibs  +
Patent-US-1793610.pdf +
Desk-set receptacle  +
Patent-US-1793824.pdf +
Fountain pen  +
Patent-US-1793910.pdf +
Holding means for desk sets  +
Patent-US-1794154.pdf +
Clip for writing instruments  +
Patent-US-1794939.pdf +
Attachment for fountain pens  +
Patent-US-1798046.pdf +
Self-filling sac pen  +
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