Envelope

Details Envelope Envelope

1975-05-12

1977-03-29

Stearman, Joel

Office supplies; artists and teachers materials

Paper or pasteboard for writing or printing

Envelope

D1901

Patent

active

D02438461

REFERENCES:
patent: 2328380 (1943-08-01), Feder
patent: 2840296 (1958-06-01), Fromm
patent: 3190540 (1965-06-01), Shade
patent: 3227360 (1966-01-01), Krueger

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