Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6396015 | Three-step press switch | — | 2002-05-28 |
| 6206539 | Flashlight with focal length adjustment means | — | 2001-03-27 |
| 5932944 | Electric motor assembly with braking arrangement | — | 1999-08-03 |
| 5586624 | Fly wheel brake device for an exercise bicycle | Wen-Chung Ko, Chin Jen Fu | 1996-12-24 |