Ball-point pen

Details Ball-point pen Ball-point pen

1987-05-05

1990-02-13

Largen, James R.

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

D19 35

Patent

active

D03060381

REFERENCES:
patent: D195924 (1963-08-01), Perlmutter
patent: D263317 (1982-03-01), Swensson
patent: 2064556 (1936-12-01), Reutter
patent: 2113861 (1938-04-01), Segal
patent: 4815880 (1989-03-01), Sekiguchi

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