Title:
Adjustable pitching tee
United States Patent 3039770
Inventors:
Ferretti, Arthur T.
Publication Date:
06/19/1962
Export Citation:
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Assignee:
Ferretti, Arthur T.
Primary Class:
473/454
Other Classes:
273/402, 403/229, 473/398
International Classes:
A63B69/00; A63B69/00
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US Patent References:
2873969Baseball control developer and tester
2819903Target with projectile stop
2580799Revolving target
2527906Baseball practice apparatus
1592005Practice guide for baseball pitchers
0906392N/A
Foreign References:
GB240652A