Toy
United States Patent 2720038
US Patent References:
Educational apparatus
- - 2104718

Spelling toy
- - 2213411

Educational device
- - 2546543

Multiquestion quiz game and scoring device
- - 2562179

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- - 2591448


Inventors:
Clark, Lewis H.
Publication Date:
10/11/1955
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Assignee:
Clark, Lewis H.
Primary Class:
434/343
Other Classes:
33/1B
International Classes:
A63F9/18