Pen

Details Pen Pen

1993-12-22

1995-02-14

Thompson, Martie

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

D19 48, D19 56, D19 57

Patent

active

D03554406

REFERENCES:
patent: D81246 (1930-05-01), Larsen
patent: D123293 (1940-10-01), Kahn
patent: D124230 (1940-12-01), Dreyfuss
patent: D142390 (1945-09-01), Olson et al.
patent: D190538 (1961-06-01), Burnham
patent: D323189 (1992-01-01), Tu
patent: D324067 (1992-02-01), Katami
patent: D339378 (1993-09-01), Verhaegue
patent: D349129 (1994-07-01), Linderson et al.
patent: 5118212 (1992-06-01), Shao

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