Title:
Baseball practicing apparatus
Document Type and Number:
United States Patent 2633320
Inventors:
Salmi, Leo W.
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Sponsored by: Flash of Genius |
Publication Date:
03/31/1953
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Referenced by:
Export Citation:
Assignee:
Salmi, Leo W.
Primary Class:
Other Classes:
473/429, 248/145
International Classes:
A63B69/00
US Patent References: