Robert John HUMPHREY

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Coronado, CA, US

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Patents Applicationslast 30 patents

Information Patent Application
ADJUSTABLE HEIGHT PRACTICE GOLF TEE
- Publication number 20090325726
- Publication date Dec 31, 2009
- Robert J. HUMPHREY
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
Compact Comprehensive Golf Swing Practice Aid and Method of Use
- Publication number 20070224583
- Publication date Sep 27, 2007
- Robert John HUMPHREY
- A63 - SPORTS GAMES AMUSEMENTS