Changeable display amusement device
United States Patent 2688820
US Patent References:
Advertising medium or toy
- - 1997022


Inventors:
Shemet, Alexander M.
Publication Date:
09/14/1954
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Assignee:
Shemet, Alexander M.
Primary Class:
446/245
Other Classes:
52/DIG.010, 40/539, 40/440, 428/11, 40/473
International Classes:
A63H33/22
Foreign References:
GB588842A