Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8051920 | Impact drill | Kim Y. C. Tsai, Jeng-Da Tsai | 2011-11-08 |
| 7993769 | Battery module for power hand tool | Kim Y. C. Tsai | 2011-08-09 |
| 7896097 | Electric power tool | — | 2011-03-01 |
| 7897278 | Battery module for power hand tool | Kim Y. C. Tsai | 2011-03-01 |