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-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  +
Patent-US-1800330.pdf +
Fountain-pen-filling device  +
Patent-US-1800425.pdf +
Pen  +
Patent-US-1801310.pdf +
Fountain-pen desk stand  +
Patent-US-1801635.pdf +
Fountain pen  +
Patent-US-1804522.pdf +
Fountain-pen  +
Patent-US-180715.pdf +
Pen and pencil case  +
Patent-US-1807227.pdf +
Fountain-pen desk stand  +
Patent-US-1807415.pdf +
Fountain pen  +
Patent-US-1808045.pdf +
Clip structure for fountain-pen caps, pencils and the like  +
Patent-US-1808489.pdf +
Fountain pen  +
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