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John R. Zentner Jr.
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Woodland Hills, CA, US
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last 30 patents
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Patent Grant
Game using beads stacked on pins
Patent number
5,116,061
Issue date
May 26, 1992
John R. Zentner
A63 - SPORTS GAMES AMUSEMENTS
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Patent Grant
Ball batting game apparatus
Patent number
4,944,513
Issue date
Jul 31, 1990
John R. Zentner
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Grant
Game of skill and coordination: ring ball
Patent number
4,805,916
Issue date
Feb 21, 1989
John R. Zentner
A63 - SPORTS GAMES AMUSEMENTS