Collapsible cardboard display device
United States Patent 2530950
US Patent References:
/1141341.html
- - 1141341

Display card
- - 1430735

Display card
- - 2311218


Inventors:
Ludwig, Ebert
Benchley Jr., Robert
Publication Date:
11/21/1950
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Assignee:
EINSON FREEMAN CO INC
Primary Class:
40/124.090
Other Classes:
248/459
International Classes:
G09F1/14; G09F1/00