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-314547.pdf +
Fountain-pen  +
Patent-US-3154055.pdf +
Fountain pen  +
Patent-US-3175261.pdf +
Clip mounting device for writing tools  +
Patent-US-3203403.pdf +
Fountain pen  +
Patent-US-324393.pdf +
Inkstand  +
Patent-US-3280797.pdf +
Retractable closure for pen casings  +
Patent-US-3292593.pdf +
Retractable nib fountain-pen  +
Patent-US-3292596.pdf +
Nib unit fixing device for writing pens  +
Patent-US-330358.pdf +
Fountain-pen  +
Patent-US-333104.pdf +
Fountain attachment for pens  +
Patent-US-3399946.pdf +
Retractable-nib, capless fountain pen  +
Patent-US-340865.pdf +
Fountain-pen  +
Patent-US-3442597.pdf +
Fountain Pen  +
Patent-US-345411.pdf +
Fountain-pen  +
Patent-US-351033.pdf +
Fountain-pen  +
Patent-US-353053.pdf +
Fountain-pen  +
Patent-US-3532436.pdf +
Feed bar for Fountain Pens  +
Patent-US-353399.pdf +
Fountain-pen  +
Patent-US-3539267.pdf +
Writing implement  +
Patent-US-354664.pdf +
Fountain pen-holder  +
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