TRAINING TENNIS RACKET
United States Patent 3515386
US Patent References:
Golf putter
- - 2843384


Inventors:
Mason, Ruth Elaine
Publication Date:
06/02/1970
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Assignee:
Ruth, Elaine Mason
Primary Class:
473/463
Other Classes:
473/537
International Classes:
A63B49/00; A63B49/08; A63B49/02; A63B69/38; A63B49/00




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