Crayon

Details Crayon Crayon

1988-06-07

1991-07-02

Dunkins, Bruce W.

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

D19 42, D19 51

Patent

active

D03179400

REFERENCES:
patent: D269444 (1983-06-01), Medebach
patent: D271028 (1983-10-01), Adams
patent: D284980 (1986-08-01), Yoshida
patent: D290851 (1987-07-01), Yoshida
patent: 4789017 (1988-12-01), Panasewicz et al.

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