Foldable display device with triangular base
United States Patent 2449911
US Patent References:
Advertising display holder
- - 2142826

Display card
- - 2311218


Inventors:
Roth, Louis H.
Publication Date:
09/21/1948
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Assignee:
COMMANDAY ROTH CO INC
Primary Class:
40/539
International Classes:
A47G1/14; G09F1/14; A47G1/00; G09F1/00