Ball point pen

Details Ball point pen Ball point pen

1985-01-11

1986-12-02

Word, George P.

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

D19 45

Patent

active

D02870282

REFERENCES:
patent: D98522 (1936-02-01), Juelss
patent: D177369 (1956-04-01), Ensign
patent: D181145 (1957-10-01), Harper et al.
patent: D213341 (1969-02-01), Fields
patent: D215626 (1969-10-01), Jonkers
patent: D242450 (1976-11-01), Jahraus

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