Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7102899 | Control circuit for switched mode power supply unit | Armin Wegener, Rudiger Malsch, Ralf Schröder | 2006-09-05 |
| 6781346 | Charging unit for a contactless transfer of electric power as well as a power absorbing device and a charging system | Ralf Schroeder | 2004-08-24 |