Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5718133 | Auto steering wheel lock | Shih-Yu Chen | 1998-02-17 |
| D372853 | Automobile steering lock | Shih-Yu Chen | 1996-08-20 |
| 5440908 | Security device for a steering wheel of an automobile | — | 1995-08-15 |