Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6700806 | Unidirectional three phase pulse controlled rectifier system with failed phase voltage operation | — | 2004-03-02 |
| 6693813 | Device for quasi-direct pulse-width controlled energy conversion between three-phase system | Johann Ertl | 2004-02-17 |