Envelope
United States Patent 2840296
US Patent References:
/1171703.html
- - 1171703

Envelope
- - 1467803

Combination business form and envelope
- - 2166439

Dry-sealing envelope
- - 2196461

Receipt envelope
- - 2402821


Inventors:
Fred, Fromm
Publication Date:
06/24/1958
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Assignee:
BERLIN & JONES COMPANY INC
Primary Class:
229/70
Other Classes:
229/300
International Classes:
B42D15/08