Christopher J. MacDonald

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San Clemente, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Alternative golf club and method of using the same
- Patent number 7,056,235
- Issue date Jun 6, 2006
- Christopher J. MacDonald
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Golf swing training apparatus and method
- Publication number 20100298060
- Publication date Nov 25, 2010
- Christopher MacDonald
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
Method of improving and teaching golf swing
- Publication number 20050124434
- Publication date Jun 9, 2005
- Christopher J. MacDonald
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
Alternative golf club and method of using the same
- Publication number 20040018888
- Publication date Jan 29, 2004
- Christopher J. MacDonald
- A63 - SPORTS GAMES AMUSEMENTS