Title:
Folding postcard or window display
United States Patent 2148279
Inventors:
Valentine, Sandberg
Publication Date:
02/21/1939
Export Citation:
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Assignee:
Valentine, Sandberg
Primary Class:
40/124.08
Other Classes:
40/539, 229/92.8, 446/147
International Classes:
G09F1/04
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