Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7950108 | Castor that is braked and positioned simultaneously | Ming-Hsien Lin, Po-Lu Chen | 2011-05-31 |
| D573451 | Wheel seat | — | 2008-07-22 |
| 6619438 | Caster braking and locking structure | — | 2003-09-16 |
| 6360851 | Caster structure with functions of brake and rotation constraint | — | 2002-03-26 |
| 5617934 | Brake mechanism of castor | — | 1997-04-08 |
| 5368133 | Brake system for roller casters | — | 1994-11-29 |