Writing instrument

Details Writing instrument Writing instrument

1997-09-15

1998-05-19

Thompson, Martie

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

D19 51, D19 55, D19 56, 1906

Patent

active

D03944557

REFERENCES:
patent: D189170 (1960-11-01), Lovejoy
patent: D240817 (1976-08-01), Funahashi
patent: D338039 (1993-08-01), Takahashi
patent: D365364 (1995-12-01), Tseng
patent: D375525 (1996-11-01), Boix Gacia
patent: D377195 (1997-01-01), Takahashi
patent: D378601 (1997-03-01), Sakuno
patent: 1807415 (1931-05-01), France
patent: 2188151 (1940-01-01), Marshall

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