Envelope blank

Details Envelope blank Envelope blank

1977-04-25

1978-12-19

Stearman, Joel

Office supplies; artists and teachers materials

Paper or pasteboard for writing or printing

Envelope

D1901

Patent

active

D02505908

REFERENCES:
patent: 1741059 (1929-12-01), Jones
patent: 3214855 (1965-11-01), Winkler et al.
patent: 3648923 (1972-03-01), Young

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