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-1172342.pdf +
Writing implement  +
Patent-US-11762.pdf +
Improved pen and pencil case  +
Patent-US-1176529.pdf +
Self-filling fountain-pen  +
Patent-US-1180424.pdf +
Fountain-pen  +
Patent-US-1180946.pdf +
Self-filling fountain-pen  +
Patent-US-1181574.pdf +
Fountain-pen  +
Patent-US-118367.pdf +
Improvement in pen-holders  +
Patent-US-1194510.pdf +
Lever-Filler Fountain-pen  +
Patent-US-1195709.pdf +
Fountain-pen  +
Patent-US-1197224.pdf +
Clip for fountain-pens  +
Patent-US-1197360.pdf +
Presser-bar-actuating lever for self-filling fountain-pens  +
Patent-US-1198994.pdf +
Fountain-pen  +
Patent-US-1199993.pdf +
Fountain-pen  +
Patent-US-1201951.pdf +
Fountain-pen  +
Patent-US-120520.pdf +
Improvement in pen-and-pencil cases  +
Patent-US-1205847.pdf +
Fountain-pen  +
Patent-US-1208653.pdf +
Fountain-pen  +
Patent-US-1209978.pdf +
Self-filling fountain-pen  +
Patent-US-1212297.pdf +
Fountain-Pen  +
Patent-US-1212744.pdf +
Fountain-pen  +
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