Title:
Supporting structure and ball releasably suspended therefrom
United States Patent 3397885
Inventors:
Nash Jr., Robert A.
Publication Date:
08/20/1968
Export Citation:
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Primary Class:
473/418
Other Classes:
473/147
International Classes:
A63B69/00; A63B69/00
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US Patent References:
3194557Ball practicing device
1259787N/A
Foreign References:
FR1356524A
GB240652A