James Roy Ibach

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San Diego, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Chess set for the blind
- Patent number 7,347,421
- Issue date Mar 25, 2008
- James Roy Ibach
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Chess set for the blind
- Publication number 20070114720
- Publication date May 24, 2007
- James Roy Ibach
- A63 - SPORTS GAMES AMUSEMENTS