Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5182959 | Anti-roll device for motor vehicles | Wei-Cheng Chiang | 1993-02-02 |
| 4987802 | Power wrench | — | 1991-01-29 |
| 4987803 | Power wrench | — | 1991-01-29 |
| 4873898 | Ratchetless reversible wrench | — | 1989-10-17 |