Chiu-Keung Kwan

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Kowloon, KR

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Patents Grantslast 30 patents

Information Patent Grant
Jointed support system and method of constructing same
- Patent number 6,537,130
- Issue date Mar 25, 2003
- C.J. Associates, Ltd.
- James S. W. Lee
- A63 - SPORTS GAMES AMUSEMENTS