Apparatus for instruction and practice use in bowling with tenpins
United States Patent 3076652
US Patent References:
Amusement apparatus
- - 1512739

Bowling instructor means
- - 2336997

Circle bowling game
- - 2887320


Inventors:
Wolff, Edwin F.
Publication Date:
02/05/1963
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Assignee:
Wolff, Edwin F.
Primary Class:
473/58
Other Classes:
434/249
International Classes:
A63D5/00; A63B69/00