Cylindrical eraser

Details Cylindrical eraser Cylindrical eraser

1995-05-19

1997-01-21

Thompson, Martie

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Eraser

D19 49

Patent

active

D03775038

REFERENCES:
patent: D3449 (1869-04-01), Hamilton
patent: D4904 (1871-05-01), Hovey
patent: D10053 (1877-06-01), Stith
patent: D56247 (1920-09-01), Faber
patent: D110896 (1938-08-01), Iannelli
patent: D132420 (1942-05-01), Hanle

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