Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D714605 | Swingable ratchet wheel | — | 2014-10-07 |
| D701099 | Swingable ratchet wheel | — | 2014-03-18 |
| D678739 | Swingable ratchet wheel | — | 2013-03-26 |
| D665237 | Swingable ratchet wheel | — | 2012-08-14 |
| 6591717 | Plum blossom-shaped ratchet wrench structure | — | 2003-07-15 |
| 6516691 | Racheting tool with a tapered spring positioning member | — | 2003-02-11 |
| D459960 | Plum blossom shaped ratchet wrench | — | 2002-07-09 |
| 6283606 | Ratchet wrench with illuminating device | Ping-Chung Huang | 2001-09-04 |
| D433896 | Wrench | — | 2000-11-21 |
| 6101902 | Ratchet wrench | — | 2000-08-15 |
| 5946987 | Offset ratchet wrench | — | 1999-09-07 |
| 5603247 | Ratchet wrench | — | 1997-02-18 |
| 5528963 | Ratchet hand tool | — | 1996-06-25 |
| 5119701 | Base seat of a dual-directional ratchet wrench | — | 1992-06-09 |