YEN-NIEN CHANG

Follow

Person

TAIPEI COUNTY, TW

People

Patents Grantslast 30 patents

Information Patent Grant
Structure of inline skates
- Patent number 8,480,096
- Issue date Jul 9, 2013
- Yen-Nien Chang
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
STRUCTURE OF INLINE SKATES
- Publication number 20100320707
- Publication date Dec 23, 2010
- YEN-NIEN CHANG
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
STRUCTURE OF INLINE SKATES
- Publication number 20080029979
- Publication date Feb 7, 2008
- YEN-NIEN CHANG
- A63 - SPORTS GAMES AMUSEMENTS