Toy pen

Details Toy pen Toy pen

1993-05-04

1994-09-27

Thompson, Martie

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

D19 51, D21 87

Patent

active

D03509842

REFERENCES:
patent: D160030 (1950-09-01), Strauss
patent: D254082 (1980-01-01), Koblick
patent: D254083 (1980-01-01), Koblick
patent: D265488 (1982-07-01), Appel et al.
patent: D274348 (1984-06-01), Chiehyi
patent: D280110 (1985-08-01), Brooks
patent: D290101 (1987-06-01), Chung
patent: D326829 (1992-06-01), Mahoney
patent: D335140 (1993-04-01), Walker
patent: 2918751 (1959-12-01), Johnson

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