Pen

Details Pen Pen

1997-05-02

1998-03-17

Thompson, Martie

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

D21168, D21204, D19 51, D19 46, D19 56, 1906

Patent

active

D03923150

REFERENCES:
patent: D154610 (1949-07-01), Kuhn
patent: D185331 (1959-05-01), Tannenbaum
patent: D294724 (1988-03-01), Lund
patent: D305788 (1990-01-01), Herren
patent: D329873 (1992-09-01), Tu
patent: D343864 (1994-02-01), Rebong
patent: D379472 (1997-05-01), Smith
patent: 2884254 (1959-04-01), Miner

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