Ball point pen

Details Ball point pen Ball point pen

1981-05-08

1985-03-26

Word, George P.

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

D19 45

Patent

active

D02781573

REFERENCES:
patent: D233631 (1974-11-01), DeFores
patent: D235080 (1975-05-01), Verona
patent: D256136 (1980-07-01), Muller
patent: D258069 (1981-01-01), Malamoud
patent: D266769 (1982-11-01), Camps

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