Ball-point pen

Details Ball-point pen Ball-point pen

1989-01-06

1992-02-11

Dunkins, Bruce W.

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

D19 51, D19 56, D19 57

Patent

active

D03238520

REFERENCES:
patent: D86740 (1932-04-01), Peters
patent: D212866 (1968-12-01), Perraud
patent: D254912 (1980-05-01), Ito
patent: D262463 (1981-12-01), Delcroix
patent: D280420 (1985-09-01), Verhaegue
patent: D280737 (1985-09-01), Verhaegue
Fahrney's Pens, Inc., 1983-1984, p. 25, see item F on far right.

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