Title:
Ball return and throwing device
Document Type and Number:
United States Patent 2765171
Inventors:
Cook, Jay E.
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Sponsored by: Flash of Genius |
Publication Date:
10/02/1956
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Assignee:
Cook, Jay E.
Primary Class:
Other Classes:
124/6
International Classes:
A63B47/02; A63B47/00
US Patent References: