Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6263768 | Ratchet tool operatable at a small angle | Jung-Sheng Huang, Shiu-Mei Cheng | 2001-07-24 |
| 6205891 | Ratchet wrench with dual pawl members | Jung-Sheng Huang | 2001-03-27 |
| D438774 | Screwdriver bit | Jung-Sheng Huang | 2001-03-13 |
| 6176161 | Damaged screw removing screwdriver | Jung-Sheng Huang | 2001-01-23 |
| 6145412 | Ratchet tool | Shiu-Mei Cheng, Jung-Sheng Huang | 2000-11-14 |
| 5761973 | Double-headed ratchet wrench assembly | — | 1998-06-09 |
| 5606758 | Multi-purpose tool | — | 1997-03-04 |