Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11867562 | Optical devices | Lai-Hung LAI, Chin-Chuan Hsieh | 2024-01-09 |
| 7301443 | Automobile steering lock with an alarm unit | — | 2007-11-27 |
| 7043947 | Automobile steering wheel lock | — | 2006-05-16 |
| 5765414 | Steering wheel lock | — | 1998-06-16 |
| 5722270 | Steering wheel lock with alarm | — | 1998-03-03 |
| 5609050 | Automobile steering wheel locking device | — | 1997-03-11 |