Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8931375 | Ratchet device | — | 2015-01-13 |
| 8881624 | Tool handle | — | 2014-11-11 |
| 8739662 | Telescopic handle for a hand tool | — | 2014-06-03 |
| 8490521 | Ratchet tool | — | 2013-07-23 |
| 8397607 | Angle adjustable handle for a hand tool | — | 2013-03-19 |
| 8371193 | Adjustable torque limiting device for a click-type torque wrench | — | 2013-02-12 |
| D622564 | Hand tool | — | 2010-08-31 |
| D622565 | Ratchet tool | — | 2010-08-31 |
| 7434493 | Ratchet driving mechanism with two sets of pawls | — | 2008-10-14 |
| 6925912 | Operating device for a screwdriver | — | 2005-08-09 |
| 6901826 | Screwdriver | — | 2005-06-07 |
| 6644147 | Ratchet device for a screwdriver | — | 2003-11-11 |
| 6279428 | Ratchet wrench | — | 2001-08-28 |
| 6047802 | Ratchet driving mechanism | — | 2000-04-11 |
| D412821 | Screwdriver | — | 1999-08-17 |
| 5924339 | Screwdriver | — | 1999-07-20 |
| 5893422 | Rotating tool | — | 1999-04-13 |
| 5576501 | Torque-controlling ratchet connector structure | — | 1996-11-19 |