Envelope

Details Envelope Envelope

1991-07-26

1993-05-04

Burke, Wallace R.

Office supplies; artists and teachers materials

Paper or pasteboard for writing or printing

Envelope

Patent

active

D03353036

REFERENCES:
patent: D168615 (1953-01-01), Hyman
patent: D251300 (1979-03-01), Zillibridge
patent: D263315 (1982-03-01), Petersson
patent: D268117 (1983-03-01), Solomon
patent: 4899926 (1990-02-01), Spaulding

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