Chao-Jan Chuang

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Tainan Hsien, TW

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Patents Grantslast 30 patents

Information Patent Grant
Shock-absorbing golf-club head
- Patent number 6,443,857
- Issue date Sep 3, 2002
- Chao-Jan Chuang
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Golf Club Handle Cover
- Publication number 20090069108
- Publication date Mar 12, 2009
- Chao-Jan Chuang
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
Handle cover for a golf club
- Publication number 20050049071
- Publication date Mar 3, 2005
- Sport Yard Industrial Co., Ltd.
- Chao-Jan Chuang
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
SHOCK-ABSORBING GOLF-CLUB HEAD
- Publication number 20020094883
- Publication date Jul 18, 2002
- Chao-Jan Chuang
- A63 - SPORTS GAMES AMUSEMENTS