Envelope

Details Envelope Envelope

1989-03-27

1991-02-19

Burke, Wallace R.

Office supplies; artists and teachers materials

Paper or pasteboard for writing or printing

Envelope

Patent

active

D03147908

REFERENCES:
patent: D136084 (1943-08-01), Brown, Jr.
patent: 675137 (1901-05-01), O'Connor
patent: 745187 (1903-11-01), Howey
patent: 2804395 (1957-08-01), Boyajian
patent: 3369732 (1968-02-01), Hanson
patent: 3653585 (1972-04-01), Kazaros
Visual Systems, 1985, p. 245 Element A--, design on surface.

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