Writing instrument

Details Writing instrument Writing instrument

1994-02-15

1995-09-12

Thompson, Martie

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

D19 50, D19 56, D19 57

Patent

active

D03622690

REFERENCES:
patent: D88821 (1932-12-01), Platt et al.
patent: D143176 (1945-12-01), Whitehouse
patent: D150320 (1948-07-01), Starr
patent: D223130 (1972-03-01), Green
patent: D312477 (1990-12-01), Porsche
patent: D330217 (1992-10-01), Booker
patent: D331261 (1992-11-01), Bannwart
patent: D338491 (1993-08-01), Hollington

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