Batting practice device
United States Patent 2955823
US Patent References:
/1211738.html
- - 1211738

Portable exerciser
- - 2754123


Inventors:
Chanko, Mortimer L.
Publication Date:
10/11/1960
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Assignee:
EDUCATIONAL PRODUCTS INC
Primary Class:
124/7
Other Classes:
124/79, 124/50, 221/289
International Classes:
A63B69/40
Foreign References:
DK48613A