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-1916808.pdf +
Desk set  +
Patent-US-1917185.pdf +
Fountain pen and the like  +
Patent-US-1917423.pdf +
Plunger type pen  +
Patent-US-1917568.pdf +
Fountain pen  +
Patent-US-1918239.pdf +
Fountain pen  +
Patent-US-1918404.pdf +
Fountain pen  +
Patent-US-1920409.pdf +
Swaged tip for mechanical pencils  +
Patent-US-1920770.pdf +
Mechanical pencil  +
Patent-US-1923269.pdf +
Fastening clip for fountain pens, pencils, and the like and attaching means therefor  +
Patent-US-1923734.pdf +
Pen desk set  +
Patent-US-1926405.pdf +
Fountain pen  +
Patent-US-1926852.pdf +
Clip for writing implements or the like  +
Patent-US-1931138.pdf +
Adjustable pencil holder  +
Patent-US-1932248.pdf +
Permanent quick drying writing fluid  +
Patent-US-1932765.pdf +
Ink bottle  +
Patent-US-1935010.pdf +
Desk stand  +
Patent-US-1935011.pdf +
Desk stand  +
Patent-US-1937107.pdf +
Twisting filler fountain pen  +
Patent-US-1939199.pdf +
Clip attachment for fountain pens and other tubular articles  +
Patent-US-1939753.pdf +
Fountain pen  +
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