Donald W. Mitchell

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Hayward, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Interactive martial arts training apparatus
- Patent number 7,416,517
- Issue date Aug 26, 2008
- Donald W. Mitchell
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Interactive martial arts training apparatus
- Publication number 20040176222
- Publication date Sep 9, 2004
- Donald W. Mitchell
- A63 - SPORTS GAMES AMUSEMENTS