Paper optical illusion toy
United States Patent 2516367
US Patent References:
Toy
- - 1793645

Toy animation picture device
- - 2478697


Inventors:
Claude, Cloud Carey
Publication Date:
07/25/1950
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Assignee:
Claude, Cloud Carey
Primary Class:
446/244
International Classes:
A63H33/22
Foreign References:
CH136524A