Coloring instrument

Details Coloring instrument Coloring instrument

1986-01-13

1989-04-11

Ansher, Bernard

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

D19 41

Patent

active

D03006409

REFERENCES:
patent: 47406 (1865-04-01), Evans et al.
patent: 1762554 (1930-06-01), Hume
patent: 2870740 (1959-01-01), Vogt
patent: 3161904 (1964-12-01), Goldich

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