Keith R. Williams

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Montreal, CA

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Patents Grantslast 30 patents

Information Patent Grant
Graduation game
- Patent number 8,579,291
- Issue date Nov 12, 2013
- Keith R. Williams
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Graduation game
- Publication number 20080067742
- Publication date Mar 20, 2008
- Keith R. Williams
- A63 - SPORTS GAMES AMUSEMENTS