Ballpoint pen

Details Ballpoint pen Ballpoint pen

1981-03-16

1983-05-17

Word, George P.

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

D19 47, D1906

Patent

active

D02690160

REFERENCES:
patent: D86740 (1932-04-01), Peters
patent: D249696 (1978-09-01), Henkels
patent: D252333 (1979-07-01), Funahashi
patent: 1038068 (1912-09-01), Barrett

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