Mechanical golf swing instructor
United States Patent 2813721
US Patent References:
Golf club guide
- - 1854392
Golf teaching and playing device
- - 1944942
Precision golf instructor
- - 1960787
Mechanical golf instruction aid
- - 2653025
Mechanical golf instruction aid
- - 2756056
Golf club guide
- - 1854392
Golf teaching and playing device
- - 1944942
Precision golf instructor
- - 1960787
Mechanical golf instruction aid
- - 2653025
Mechanical golf instruction aid
- - 2756056
Inventors:
Frank, Zega
Publication Date:
11/19/1957
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Assignee:
Frank, Zega
Primary Class:
International Classes:
A63B69/36