Marking instrument

Details Marking instrument Marking instrument

1985-06-11

1988-05-03

Rademaker, Charles A.

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

Patent

active

D02955377

REFERENCES:
patent: D107438 (1937-12-01), MacNally
patent: D115916 (1939-04-01), Donato
patent: D158051 (1950-04-01), Compas
patent: D160757 (1950-10-01), Weiss
patent: D248865 (1978-08-01), Sussman et al.
patent: D260272 (1951-08-01), Horntrich
patent: D268501 (1983-04-01), Kruckel et al.
patent: D268935 (1983-05-01), Horntrich
patent: D271889 (1983-12-01), Kruckel
patent: D282378 (1986-01-01), Ohyabu et al.
patent: 3161904 (1964-12-01), Goldrich
patent: 3684389 (1972-08-01), Eron
patent: 3917416 (1975-11-01), Steyer
patent: 4183685 (1980-01-01), Hofmann et al.
patent: 4509875 (1985-04-01), Shintani

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