Jon P. File

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Kamuela, HI, US

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Patents Grantslast 30 patents

Information Patent Grant
Bumper bowling system
- Patent number 5,599,236
- Issue date Feb 4, 1997
- Jon P. File
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Method of playing a bumper bowling system
- Patent number 5,584,766
- Issue date Dec 17, 1996
- Jon P. File
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Bumper bowling system with contact switch
- Patent number 5,449,326
- Issue date Sep 12, 1995
- Jon P. File
- A63 - SPORTS GAMES AMUSEMENTS