Title:
MULTIFORM ENVELOPES
United States Patent 3525469
US Patent References:
Combined mailing and return envelope
- - 2001489
Multiform envelope
- - 2158528
Combined envelope and detachable return card
- - 3061173
Combined mailing and return envelope
- - 2001489
Multiform envelope
- - 2158528
Combined envelope and detachable return card
- - 3061173
Inventors:
Sawdon, Victor J.
Publication Date:
08/25/1970
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Export Citation:
Assignee:
KIMBERLY CLARK CO
Primary Class:
Other Classes:
229/92.700
International Classes:
B42D15/08; B65D27/06; B65D27/06