Electric eraser

Details Electric eraser Electric eraser

1989-12-19

1992-03-17

Dunkins, Bruce W.

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Eraser

D 8 61, D19 65

Patent

active

D03246990

REFERENCES:
patent: D180101 (1957-04-01), Robinson
patent: D184831 (1959-04-01), Palma, Jr.
patent: D186922 (1959-12-01), Streich et al.
patent: D223969 (1972-06-01), Collura
patent: D229389 (1973-11-01), Kahn
patent: D286548 (1986-11-01), Hsieh
patent: D301198 (1989-05-01), Hashino et al.
patent: D303271 (1989-09-01), Lord
patent: D308809 (1990-06-01), Kawabata
patent: D311757 (1990-10-01), Crutchfield
patent: 3368090 (1968-02-01), Miller
Design News 9/15/69 p. 44, See electric eraser-center page.
Bruning Co. 6/2/71 Flyer-see eraser right center of page.

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