Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6831431 | Method for regulating the rotational speed of a motor and a motor for carrying out a method of this type | Roland Dieterle, Hermann Rappenecker | 2004-12-14 |
| 6825632 | Direct current machine with a controllable arrangement for limiting current | Hermann Rappenecker | 2004-11-30 |