Ballpoint pen

Details Ballpoint pen Ballpoint pen

1997-12-30

1998-10-20

Thompson, Martie

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

D19 41, D19 56, 1906

Patent

active

D03998746

REFERENCES:
patent: D200560 (1965-03-01), Rhoades
patent: D266676 (1982-10-01), Bove
patent: D286549 (1986-11-01), Erlendson
patent: 320828 (1885-06-01), Wilkes
patent: D330079 (1992-10-01), Dalling et al.
patent: D389866 (1998-01-01), Baix Gacia
patent: D391292 (1998-02-01), Kuo
patent: 3724961 (1973-04-01), Levoin

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