Yang; Sung-Wang
Patent Applications and Registrations
Patent applications and USPTO patent grants for Yang; Sung-Wang.The latest application filed is for "castor having reinforced strength".
- Yang; Sung-Wang - Tainan Hsien TW
- Yang; Sung-Wang - An-Ting An Chia Tsun TW
| Patent | Date |
|---|---|
| Castor that is braked and positioned simultaneously Grant 7,950,108 - Yang , et al. May 31, 2 | 2011-05-31 |
| Castor Having Reinforced Strength App 20100212108 - Yang; Sung-Wang ; et al. | 2010-08-26 |
| Castor That Is Braked And Positioned Simultaneously App 20100107361 - Yang; Sung-Wang ; et al. | 2010-05-06 |
| Wheel seat Grant D573,451 - Yang July 22, 2 | 2008-07-22 |
| Wheel Structure App 20060076097 - Yang; Sung-Wang | 2006-04-13 |
| Caster braking and locking structure Grant 6,619,438 - Yang September 16, 2 | 2003-09-16 |
| Brake mechanism of castor Grant 5,617,934 - Yang April 8, 1 | 1997-04-08 |
| Brake system for roller casters Grant 5,368,133 - Yang November 29, 1 | 1994-11-29 |
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