Issued Patents All Time
Showing 1–25 of 71 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9895793 | Speed-selectable hand tool | — | 2018-02-20 |
| 8096516 | Tool storage device | — | 2012-01-17 |
| 7798336 | Magnetic tool storage rack | — | 2010-09-21 |
| D605006 | Tool handle | — | 2009-12-01 |
| 7540220 | Electronic torque wrench having a trip unit | — | 2009-06-02 |
| 7475605 | Electronic torque wrench | — | 2009-01-13 |
| 7458297 | Electronic torque wrench having a trip unit | — | 2008-12-02 |
| D580720 | Handle for an electronic torsion wrench | — | 2008-11-18 |
| D575972 | Magnetic storage rack for tools and parts | — | 2008-09-02 |
| 7415897 | Electronic torque wrench | — | 2008-08-26 |
| D575603 | Handle for an electronic torsion wrench | — | 2008-08-26 |
| 7313990 | Electronic torque wrench | — | 2008-01-01 |
| 7237459 | Ratchet screwdriver | — | 2007-07-03 |
| 7237458 | Ratchet screwdriver with a replaceable bit magazine unit | — | 2007-07-03 |
| 7172079 | Magnet rack that can be easily removed from a magnetically attractive surface | — | 2007-02-06 |
| 7095305 | Retractable magnetic sweeper | — | 2006-08-22 |
| 7000509 | Hand tool with a removable rotary bit receiving cassette | — | 2006-02-21 |
| 7001037 | Lighting device with accessory unit | — | 2006-02-21 |
| 6948380 | Torque-indicating wrench | Da-Jeng Yao, Tsong-Li Lee, Chia-Ju Wu, Han-Tai Fan | 2005-09-27 |
| 6928885 | Torque-indicating wrench | Da-Jeng Yao | 2005-08-16 |
| 6877186 | Swingable handle for a hand tool | — | 2005-04-12 |
| 6811127 | Magnetic retainer for retaining articles thereon | — | 2004-11-02 |
| 6658970 | Ratchet screwdriver | — | 2003-12-09 |
| 6386075 | Swingable handle adapted for rotating a tool bit of a hand tool | — | 2002-05-14 |
| 6366073 | Nail locating device with pivotable magnet supporting indicator rod | — | 2002-04-02 |