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-1085714.pdf +
Ink-pencil  +
Patent-US-109257.pdf +
Improvement in fountain-pens  +
Patent-US-1098719.pdf +
Clip for pens or pencils  +
Patent-US-1103349.pdf +
Fountain-pen  +
Patent-US-1104567.pdf +
Fountain-pen  +
Patent-US-1111469.pdf +
Clip for fountain-pens  +
Patent-US-1111501.pdf +
Clip for fountain-pens  +
Patent-US-1112362.pdf +
Fountain-pen  +
Patent-US-1114052.pdf +
Fountain-pen  +
Patent-US-1116078.pdf +
Clip for pen-caps  +
Patent-US-1118240.pdf +
Attachment for fountain-pens  +
Patent-US-1122559.pdf +
Fountain or reservoir pen  +
Patent-US-1124454.pdf +
Fountain or reservoir pen  +
Patent-US-1124592.pdf +
Fountain-pen  +
Patent-US-1124750.pdf +
Fountain-pen  +
Patent-US-112917.pdf +
Improvement in pencil-cases  +
Patent-US-1130741.pdf +
Mechanical pencil  +
Patent-US-1134936.pdf +
Fountain-pen  +
Patent-US-1143525.pdf +
Dispensing-stopper for ink-bottles  +
Patent-US-1144436.pdf +
Self-filler fountain-pen  +
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