Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6530297 | Speed wrench having a stable biasing structure | — | 2003-03-11 |
| 6435062 | Ratchet wrench having easily assembling structure | — | 2002-08-20 |
| 6216565 | Driving cartridge securing mechanism to wrench handle | — | 2001-04-17 |
| 6138532 | Wrench having driving direction indicator | — | 2000-10-31 |
| 5957009 | Control mechanism for ratchet wrench | — | 1999-09-28 |
| 5746097 | Wrench having a spring biased jaw | — | 1998-05-05 |
| D385760 | Adjustable wrench | — | 1997-11-04 |
| 5090275 | Retainer apparatus for a wrench unit | — | 1992-02-25 |