Title:
Apparatus for practicing strokes with a tennis racket
Document Type and Number:
United States Patent 3231271

Inventors:
Murphy, William E.
Publication Date:
01/25/1966
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Assignee:
Murphy, William E.
Primary Class:
473/461
International Classes:
A63B69/38
US Patent References:
1484390Instruction chart for playing golf
2305187Sport practice apparatus
3125343
3126206


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