Title:
Apparatus for practicing strokes with a tennis racket
United States Patent 3231271
US Patent References:
Instruction chart for playing golf
- - 1484390
Sport practice apparatus
- - 2305187
/3125343.html
- - 3125343
/3126206.html
- - 3126206
Instruction chart for playing golf
- - 1484390
Sport practice apparatus
- - 2305187
/3125343.html
- - 3125343
/3126206.html
- - 3126206
Inventors:
Murphy, William E.
Publication Date:
01/25/1966
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Export Citation:
Assignee:
Murphy, William E.
Primary Class:
Other Classes:
434/247
International Classes:
A63B69/38