Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8051920 | Impact drill | Cheng-I Teng, Jeng-Da Tsai | 2011-11-08 |
| 7993769 | Battery module for power hand tool | Cheng-I Teng | 2011-08-09 |
| 7897278 | Battery module for power hand tool | Cheng-I Teng | 2011-03-01 |