Ballpoint pen

Details Ballpoint pen Ballpoint pen

1985-09-26

1988-03-08

Word, George P.

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

D19 57

Patent

active

D02946009

REFERENCES:
patent: D253060 (1979-10-01), Itoh
patent: D261010 (1981-09-01), Itoh
patent: D265741 (1982-08-01), Funahashi
patent: D277393 (1985-01-01), Oyabu

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