Title:
BASEBALL BAT CHOKE DEVICE
United States Patent 3469839
US Patent References:
Golf grip device
- - 2628100

/1026990.html
- - 1026990

Football
- - 1931429

Adjustable handgrip
- - 2091458

Golf swing trainer
- - 2608409


Inventors:
Pietronuto, Joseph A.
Sands, Robert
Publication Date:
09/30/1969
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Assignee:
Pietronuto, Joseph A.
Robert, Sands
Primary Class:
473/564
International Classes:
A63B59/06; A63B59/00; A63B69/00; A63B59/06
US Patent References:
2859040Football having a securely grippable laceless surface
3203697Stable grip tennis racket handle




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