Pen

Details Pen Pen

1993-06-29

1994-11-01

Thompson, Martie

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

D19 43

Patent

active

D03520641

REFERENCES:
patent: D19277 (1889-08-01), Todd, Jr.
patent: D21195 (1891-12-01), Mussinan, Jr.
patent: D138826 (1944-09-01), Waldinger
patent: D141859 (1945-07-01), Ullman
patent: D143053 (1945-11-01), Waldinger
patent: D252815 (1979-09-01), Coffman
patent: D313624 (1991-01-01), Ferian
patent: D322460 (1991-12-01), Herbst et al.
patent: 5228794 (1993-07-01), Hochstetler

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