Ballpoint pen

Details Ballpoint pen Ballpoint pen

1980-08-25

1982-06-29

Word, George P.

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

D19 48, D19 56, D1906

Patent

active

D02652129

REFERENCES:
patent: D120137 (1940-04-01), Most
patent: D190263 (1961-05-01), Kaplan
patent: D234225 (1975-01-01), Ito
patent: D240817 (1976-08-01), Funahashi
patent: D251123 (1979-02-01), Horntrich

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