Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6657322 | Control system for active power filters | Dongsheng Zhou, Frederick L. Hoadley, Naihu Li, Qiang Yin | 2003-12-02 |
| 6549434 | Harmonic mitigating method and apparatus | Dongsheng Zhou, Walt A. Maslowski, Brian R. Buchholz, Nick Guskov | 2003-04-15 |