Title:
Sphere spinning device
United States Patent 3054217
US Patent References:
/1029904.html
- - 1029904

Game apparatus
- - 2248596

Bowling ball rotating and projecting apparatus
- - 2263602


Inventors:
Ernest, Amato D.
Publication Date:
09/18/1962
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Assignee:
Ernest, Amato D.
Primary Class:
446/236
International Classes:
A63F7/00