Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9149918 | L-shaped torsional wrench | — | 2015-10-06 |
| 7318574 | Tool kit | — | 2008-01-15 |
| 7275467 | Tracing mechanism of torque adjustable wrenches | — | 2007-10-02 |
| 7246544 | Rotary wrench | — | 2007-07-24 |
| 7150212 | Torque screwdriver | — | 2006-12-19 |
| 7124664 | Ratchet wrench | — | 2006-10-24 |
| 7051625 | Detent structure of a torque wrench for adjusting operation angle thereof | — | 2006-05-30 |
| 7047842 | Pawl mechanism of a ratchet wrench | — | 2006-05-23 |
| 6978705 | Torque wrench | — | 2005-12-27 |
| 6886429 | Ratchet wrench having a pivotal head | — | 2005-05-03 |
| 5568751 | Reversible ratchet wrench and reversible ratchet mechanism thereof | — | 1996-10-29 |
| 5372053 | Hammer | — | 1994-12-13 |
| D347983 | Socket for a socket wrench | — | 1994-06-21 |
| D345493 | Ratchet wrench handle | — | 1994-03-29 |
| 5193419 | Wrench with telescopic handle | — | 1993-03-16 |