Chan Kei Shek

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Hong Kong, HK

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Patents Grantslast 30 patents

Information Patent Grant
Game controller with sensitivity adjustment
- Patent number 7,976,385
- Issue date Jul 12, 2011
- Mattel, Inc.
- Andrew J. Riggs
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Game controller with interchangeable controls
- Patent number 7,758,424
- Issue date Jul 20, 2010
- Mattel, Inc.
- Andrew J. Riggs
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Game controller with sensitivity adjustment
- Publication number 20050255918
- Publication date Nov 17, 2005
- Andrew J. Riggs
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
Game controller with interchangeable controls
- Publication number 20050255915
- Publication date Nov 17, 2005
- Andrew J. Riggs
- A63 - SPORTS GAMES AMUSEMENTS