Felt pen

Details Felt pen Felt pen

1977-01-04

1978-07-18

Stearman, Joel

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

D1906

Patent

active

D02485605

REFERENCES:
patent: D188816 (1960-09-01), Friedberg
patent: D191341 (1961-09-01), Fuchs
patent: D209994 (1968-01-01), Wakai
patent: D210433 (1968-03-01), Wakai
patent: D241009 (1976-08-01), Brady et al.
patent: 3023448 (1962-03-01), Fagan
patent: 3474936 (1969-10-01), McDonnell

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