Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8022654 | Soft start for electric motor of a power tool | Peter Zhao, Hung T. Du | 2011-09-20 |
| 7893583 | Power tools with motor having a multi-piece stator | Hung T. Du, Earl M. Ortt, Brandon L. Verbrugge, Michael A. Zemlock, Kevin Hogan +6 more | 2011-02-22 |