Christopher L. Hansen

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Chatsworth, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Concave martial arts platform with inclined constraint net
- Patent number 7,731,594
- Issue date Jun 8, 2010
- Christopher L. Hansen
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Sports ball launcher
- Patent number 7,028,682
- Issue date Apr 18, 2006
- Christopher L. Hansen
- A63 - SPORTS GAMES AMUSEMENTS