Title:
Baseball practice device
United States Patent 2680022
US Patent References:
/1098462.html
- - 1098462

/1178158.html
- - 1178158

Game
- - 1907412


Inventors:
Walden, Henry R.
Publication Date:
06/01/1954
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Assignee:
Walden, Henry R.
Primary Class:
473/428
Other Classes:
473/147
International Classes:
A63B69/00