Baseball guide for batting practice
United States Patent 3042401
US Patent References:
/0928674.html
- - 0928674

Game
- - 1907412


Inventors:
Charles, Denegre
Publication Date:
07/03/1962
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Assignee:
Charles, Denegre
Primary Class:
473/430
Other Classes:
473/143
International Classes:
A63B69/00