Battery operated eraser

Details Battery operated eraser Battery operated eraser

1986-06-02

1989-09-05

Dunkins, Bruce W.

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Eraser

D19 35, D19 65

Patent

active

D03032710

REFERENCES:
patent: D184831 (1959-04-01), Palma, Jr.
patent: D187496 (1960-03-01), Hirata
patent: D223969 (1972-06-01), Collura
patent: D286548 (1986-11-01), Hsieh
Visual Systems Product Catalog .COPYRGT.1979, p. 110, See #1011600 Peerless Eraser, upper right.
Ginns Office Supply Catalog, 1984, p. 368, See Rotex 325 Eraser, upper left hand corner.

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