David J. Mravca

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Sunnyvale, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Resistance kickboard
- Patent number 7,597,601
- Issue date Oct 6, 2009
- David J. Mravca
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Resistance kickboard
- Publication number 20060003647
- Publication date Jan 5, 2006
- Juvod, Inc.
- David J. Mravca
- A63 - SPORTS GAMES AMUSEMENTS