Envelope

Details Envelope Envelope

1990-05-21

1991-12-31

Burke, Wallace R.

Office supplies; artists and teachers materials

Paper or pasteboard for writing or printing

Envelope

Patent

active

D03228100

REFERENCES:
patent: D31725 (1899-10-01), Abbott
patent: 211725 (1879-01-01), Foster
patent: 576552 (1897-02-01), Cook
patent: 651692 (1900-06-01), Belknap
patent: 1427666 (1922-08-01), Weiss
patent: 1693811 (1928-12-01), Dziuk
patent: 1945648 (1934-02-01), Lindgren
Letraset 1983 p. 285. Butterfly Design on center of page.

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