Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7882899 | Power tool having control system for changing rotational speed of output shaft | Kelvin Wong, Shisong Zhang, Paolo Andriolo, Warren Brown, Hongfeng Zhong +2 more | 2011-02-08 |
| 7882900 | Power tool with signal generator | Kelvin Wong, Shisong Zhang, Paolo Andriolo, Warren Brown, Hongfeng Zhong +2 more | 2011-02-08 |
| 7874077 | Device for determining the inclination of a tool, such as an electric drill | — | 2011-01-25 |