Slide view assembly
United States Patent 3106029
US Patent References:
/1008195.html
- - 1008195

Changeable-picture device
- - 1474572

Greeting card and the like
- - 1603592

Changeable exhibitor
- - 2345709


Inventors:
Desmond, John D.
Publication Date:
10/08/1963
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Assignee:
CONTAINER CORP
Primary Class:
40/488
Other Classes:
446/149, 40/491, 434/405
International Classes:
G09B1/28; G09B1/00