Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7458295 | Interchangeably manual or automatic ratchet wrench tool | Shi-Tong Lu | 2008-12-02 |
| 7444902 | Interchangeably manual or automatic ratchet wrench tool | Wan-Chuan Li | 2008-11-04 |
| D532276 | Tool handle | — | 2006-11-21 |
| 7028593 | Screwdriver with revolving cylinder containing replaceable screwdriver tips | Hong Yu | 2006-04-18 |