Ball-point pen

Details Ball-point pen Ball-point pen

1987-02-26

1990-03-06

Largen, James R.

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

D21161, D21165

Patent

active

D03064573

REFERENCES:
patent: D144459 (1946-04-01), Iwanowicz
patent: D146816 (1947-05-01), Treuting
patent: D155996 (1949-11-01), Gowland
patent: D194427 (1963-01-01), Kovac
patent: D276641 (1984-12-01), Paczko
patent: D298263 (1988-10-01), Perry et al.
patent: 2438391 (1948-03-01), Gallagher

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