Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5426960 | Automobile steering lock | — | 1995-06-27 |
| 5144822 | Automobile steering lock | Hsien-Pao Chen | 1992-09-08 |
| D325511 | Automobile steering wheel lock | Hsien-Pao Chen | 1992-04-21 |
| D324164 | Automobile steering wheel lock | Hsien-Pao Chen | 1992-02-25 |
| 5031428 | Two stage automobile steering lock | Hsien-Pao Chen | 1991-07-16 |