Combined envelope and statement form
United States Patent 3143279
US Patent References:
Receipt envelope
- - 2402821

Envelope
- - 2760717

Container construction
- - 2964233


Inventors:
Black, Sydney J.
Publication Date:
08/04/1964
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Assignee:
Black, Sydney J.
Primary Class:
229/304
Other Classes:
229/306, 229/92.300
International Classes:
B42D15/08