Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5457972 | Anti-theft device for automobile | — | 1995-10-17 |
| 5119650 | Combination padlock with re-setting mechanism | — | 1992-06-09 |
| 5005384 | Mechanism for a combination padlock | Teng-Yun Wang | 1991-04-09 |