Three section envelope blank

Details Three section envelope blank Three section envelope blank

1979-02-02

1982-03-09

Word, George P.

Office supplies; artists and teachers materials

Paper or pasteboard for writing or printing

Envelope

D1901

Patent

active

D02633159

REFERENCES:
patent: 2985464 (1961-05-01), McFarland
patent: 3837565 (1974-09-01), Johnson
patent: 3977597 (1976-08-01), Wise et al.

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