Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D982408 | Chuck for tool bits | — | 2023-04-04 |
| D846278 | Tool box | — | 2019-04-23 |
| 9827664 | Push-button tool box with swing seat | — | 2017-11-28 |
| 9381627 | Tool bit adapter having a position-limit rod | — | 2016-07-05 |
| D715547 | Toolbox | — | 2014-10-21 |
| 8826781 | Screwdriver having a removable rod member | — | 2014-09-09 |
| D702438 | Tool box | — | 2014-04-15 |
| D691371 | Toolbox | — | 2013-10-15 |
| 8397912 | Rotary toolbox | — | 2013-03-19 |
| 8342062 | Multi-angle hand tool | Fanny Hi | 2013-01-01 |
| D661569 | Handlebar grip for hand tool | — | 2012-06-12 |
| 7950311 | Screwdriver kit | — | 2011-05-31 |
| 7823890 | Chuck | — | 2010-11-02 |
| D601399 | Screwdriver | — | 2009-10-06 |
| D579204 | Toolbox | — | 2008-10-28 |
| D571552 | Toolbox | — | 2008-06-24 |
| D555354 | Tool holder | — | 2007-11-20 |
| D537253 | Toolbox | — | 2007-02-27 |
| 7168559 | Toolbox | — | 2007-01-30 |
| 6942095 | Toolbox | — | 2005-09-13 |
| 6874791 | Chuck apparatus | Chiu-Man Chang-Kao | 2005-04-05 |
| 6860489 | Chuck device | — | 2005-03-01 |
| 6644150 | Tool bit holding device with an improved retaining effect | — | 2003-11-11 |
| 6637755 | Chuck device for miniature tool bits | Chiu-Man Chang-Kao | 2003-10-28 |
| D479253 | Chuck | — | 2003-09-02 |