Francis Jarvis

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San Diego, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Sport swing training apparatus and swing system
- Patent number 9,468,829
- Issue date Oct 18, 2016
- Francis Jarvis
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Sport Swing Training Apparatus and Swing System
- Publication number 20160023077
- Publication date Jan 28, 2016
- Francis Jarvis
- A63 - SPORTS GAMES AMUSEMENTS