Envelope

Details Envelope Envelope

1979-09-17

1983-03-01

Word, George P.

Office supplies; artists and teachers materials

Paper or pasteboard for writing or printing

Envelope

D1901

Patent

active

D02681170

REFERENCES:
patent: D155872 (1949-11-01), Chase
patent: 1145935 (1915-07-01), Steinke
patent: 1711575 (1929-05-01), Myers
patent: 2600146 (1952-06-01), Whitman
patent: 2931559 (1960-04-01), Hilliard
patent: 3086695 (1963-04-01), Lillibridge
patent: 3270948 (1966-09-01), Donovan
patent: 3558040 (1971-01-01), Krueger
patent: 4089418 (1978-05-01), Yale
patent: 4194631 (1980-03-01), Rangan
Symbol Sourcebook 1972, p. 143, top left.

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