Alice Chen

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Oakland, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Interactive hand held apparatus with stylus
- Patent number 7,553,160
- Issue date Jun 30, 2009
- LeapFrog Enterprises, Inc.
- Michael C. Wood
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Interactive handheld apparatus with stylus
- Patent number 7,083,420
- Issue date Aug 1, 2006
- LeapFrog Enterprises, Inc.
- Michael C. Wood
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Interactive handheld apparatus with stylus
- Publication number 20040224775
- Publication date Nov 11, 2004
- LeapFrog Enterprises, Inc.
- Michael C. Wood
- A63 - SPORTS GAMES AMUSEMENTS