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-1336119.pdf +
Stylographic fountain-pen  +
Patent-US-1336572.pdf +
Fountain-pen  +
Patent-US-1339359.pdf +
Penholder-clip  +
Patent-US-1340277.pdf +
Fountain-pen  +
Patent-US-1342736.pdf +
Fountain-pen  +
Patent-US-1344434.pdf +
Mechanical pencil  +
Patent-US-1346045.pdf +
Pressure-bar mechanism  +
Patent-US-1347800.pdf +
Fountain-pen  +
Patent-US-1347901.pdf +
Retarded delivery device for fountain-pens  +
Patent-US-1348211.pdf +
Fountain-pen-filling device  +
Patent-US-1349025.pdf +
Mechanical pencil  +
Patent-US-1350412.pdf +
Clip for fountain-pen caps or the like  +
Patent-US-135118.pdf +
Improvement in writing-pens  +
Patent-US-1351552.pdf +
Pencil  +
Patent-US-1351564.pdf +
Chart for fountain-pens  +
Patent-US-1351574.pdf +
Fountain-pen  +
Patent-US-1351575.pdf +
Fountain-pen  +
Patent-US-1351591.pdf +
Fountain-pen  +
Patent-US-1357083.pdf +
Feed-bar for fountain-pens  +
Patent-US-1358511.pdf +
Fountain-pen clip  +
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