Ball point pen

Details Ball point pen Ball point pen

1978-01-03

1980-08-26

Stearman, Joel

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

D1906

Patent

active

D02565935

REFERENCES:
patent: D151661 (1948-11-01), Sherrer
patent: D181244 (1957-10-01), Zierhut
patent: D242245 (1976-11-01), Butler et al.
patent: D242855 (1976-12-01), Grinberg

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