Envelope

Details Envelope Envelope

1984-06-22

1988-02-02

Herrmann, Winifred E.

Office supplies; artists and teachers materials

Paper or pasteboard for writing or printing

Envelope

Patent

active

D02940396

REFERENCES:
patent: D44124 (1913-06-01), Clements
patent: D78679 (1929-05-01), Yadon
patent: D230772 (1974-03-01), Yong
patent: 1068858 (1913-07-01), Cohn
patent: 2200099 (1940-05-01), Prentice
patent: 2384223 (1945-09-01), Wilbur
patent: 2931559 (1960-04-01), Hilliard
patent: 3201146 (1965-08-01), Tilton, Jr.
patent: 3874582 (1975-04-01), Wang

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