Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12228181 | Disc brake piston retraction tool | — | 2025-02-18 |
| 11408472 | Disc brake piston retraction tool | — | 2022-08-09 |
| 8737060 | Computer system with airflow guiding duct | HONG-ZHI SUN | 2014-05-27 |
| 8087137 | Flat clamping hand tool structure | — | 2012-01-03 |
| 6289779 | Carpenter's sawing machine | — | 2001-09-18 |
| 5483732 | Variable C-shaped retaining ring pliers | — | 1996-01-16 |