Pen

Details Pen Pen

1987-07-10

1990-08-21

Dunkins, Bruce W.

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

D19 43, D19 56, D19 57

Patent

active

D03101002

REFERENCES:
patent: D118872 (1940-02-01), Vassos
patent: D143508 (1946-01-01), Reynolds
patent: D150647 (1948-08-01), Pearl
patent: D173480 (1954-11-01), Fink
patent: D269189 (1983-05-01), Sakaoka

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