Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6466002 | Method for detecting a rotation direction in three-phase networks | Norbert B. Elsner | 2002-10-15 |
| 6414463 | Method for measuring the speed of an induction machine | Gerd Griepentrog | 2002-07-02 |