Writing instrument

Details Writing instrument Writing instrument

1987-05-28

1990-09-11

Dunkins, Bruce W.

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

D19 48, D19 57

Patent

active

D03105423

REFERENCES:
patent: D138032 (1944-06-01), Severy
patent: D256136 (1980-07-01), Muller
patent: D283826 (1986-05-01), Hechter
patent: D284773 (1986-07-01), Schwartz
patent: D285730 (1986-09-01), Bulwick
patent: D285936 (1986-09-01), Booker et al.
patent: D287603 (1987-01-01), Bruhn
patent: D294599 (1988-03-01), Funahashi

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