Title:
Batting practice device
United States Patent 2818255
US Patent References:
/1091985.html
- - 1091985

Flexible coupling
- - 1631196

Golf practicing device
- - 1808390

Ball practicing device
- - 1862044

Baseball batting practice machine
- - 1962087


Inventors:
Ponza, Lorenzo J.
Publication Date:
12/31/1957
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Assignee:
Ponza, Lorenzo J.
Primary Class:
473/429
Other Classes:
473/146
International Classes:
A63B69/00
US Patent References:
2510266Golf practicing apparatus
2578313Game practice device
Foreign References:
FR706628A