Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5875683 | Controllable gear shifter with lock-in system | Bill Yeung, Chan Ho Yeung, Li Man Chiu | 1999-03-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5875683 | Controllable gear shifter with lock-in system | Bill Yeung, Chan Ho Yeung, Li Man Chiu | 1999-03-02 |