Wei-Yen Chu

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Tao-Yuan Hsien, TW

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Patents Grantslast 30 patents

Information Patent Grant
Detachable skate
- Patent number 6,702,304
- Issue date Mar 9, 2004
- Wei-Yen Chu
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Multifunctional shoe
- Patent number 6,629,698
- Issue date Oct 7, 2003
- Wei-Yen Chu
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Shoe for skating and walking
- Patent number 6,450,508
- Issue date Sep 17, 2002
- Wei-Yen Chu
- A43 - FOOTWEAR
Information Patent Grant
Roller skate with receivable wheel design
- Patent number 6,412,791
- Issue date Jul 2, 2002
- Wei-Yen Chu
- A43 - FOOTWEAR

Patents Applicationslast 30 patents

Information Patent Application
Detachable skate
- Publication number 20030137115
- Publication date Jul 24, 2003
- Wei-Yen Chu
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
Multifunctional shoe
- Publication number 20030062697
- Publication date Apr 3, 2003
- Wei-Yen Chu
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
SHOE FOR SKATING AND WALKING
- Publication number 20020121750
- Publication date Sep 5, 2002
- Wei-Yen Chu
- A43 - FOOTWEAR
Information Patent Application
ROLLER SKATE WITH RECEIVABLE WHEEL DESIGN
- Publication number 20020089132
- Publication date Jul 11, 2002
- Wei-Yen Chu
- A43 - FOOTWEAR