Title:
Envelope type package with cover and removable disclosure sheet
United States Patent 3076541

Inventors:
Volckening, Lloyd I.
Publication Date:
02/05/1963
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Assignee:
IVERS LEE CO
Primary Class:
206/232
International Classes:
B65D75/34; B65D75/38; B65D75/58; B65D75/28; B65D75/52
Other References:
None