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-1301317.pdf +
Fountain pen  +
Patent-US-1301341.pdf +
Self-feeding pencil  +
Patent-US-1302783.pdf +
Combination instrument  +
Patent-US-1302935.pdf +
Fountain-pen  +
Patent-US-1304739.pdf +
Self-filling fountain-pen  +
Patent-US-1307630.pdf +
Fountain-pen  +
Patent-US-1310235.pdf +
Cap-clip for fountain-pens  +
Patent-US-1312681.pdf +
Fountain-pen  +
Patent-US-1313056.pdf +
Fountain-pen  +
Patent-US-1315373.pdf +
Pen-point holder  +
Patent-US-1317472.pdf +
Fountain pen  +
Patent-US-1317817.pdf +
Fountain-pen  +
Patent-US-132008.pdf +
Improvement in alloys for the manufacture of pens  +
Patent-US-1320393.pdf +
Fountain-pen  +
Patent-US-1321188.pdf +
Self-filling fountain-pen  +
Patent-US-1325844.pdf +
Fountain-pen  +
Patent-US-1326206.pdf +
Fountain-pen cap  +
Patent-US-1328215.pdf +
Lever-filler for fountain-pens  +
Patent-US-1334332.pdf +
Pencil-clip  +
Patent-US-1335580.pdf +
Fountain-pen  +
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