Pen

Details Pen Pen

1977-12-30

1979-08-07

Stearman, Joel

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

D11118, D1906

Patent

active

D02525771

REFERENCES:
patent: D97288 (1935-10-01), Hollen
patent: D107217 (1937-11-01), Charette
patent: D201734 (1965-07-01), Derenski
patent: D232267 (1974-07-01), Zepell
Modern Plastics, 3/53, p. 101, top left corner.

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