Proprietà:Patent title

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Titolo del brevetto (come riportato sullo stesso).

precedenti 202050100250500successivi 20
Showing 20 pages using this property.
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Patent-US-1940223.pdf +
Method of producing seamless celluloid articles from bars of celluloid  +
Patent-US-194158.pdf +
Improvement in pen-holders  +
Patent-US-1943048.pdf +
Fountain pen  +
Patent-US-1944927.pdf +
Holder for fountain pens  +
Patent-US-1947092.pdf +
Soluble ink fountain pen  +
Patent-US-1950364.pdf +
Fountain pen feed  +
Patent-US-1954952.pdf +
Fountain pen  +
Patent-US-1956084.pdf +
Desk set mounting  +
Patent-US-1957677.pdf +
Liquid container and housing  +
Patent-US-1959959.pdf +
Ink phial or filler  +
Patent-US-19613.pdf +
Inkstand  +
Patent-US-1963261.pdf +
Auxiliary well for ink bottles  +
Patent-US-1964125.pdf +
Fountain penholder  +
Patent-US-1964821.pdf +
Soluble ink fountain pen  +
Patent-US-1965626.pdf +
Twisting filler pen  +
Patent-US-1966369.pdf +
Fountain pen  +
Patent-US-1967580.pdf +
Pump  +
Patent-US-1968567.pdf +
Fountain pen  +
Patent-US-1972395.pdf +
Permanent brilliantly colored writing fluid  +
Patent-US-1975775.pdf +
Pen and pencil clip  +
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