Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879497 | Method and device for measuring the temperature of a brushless d-c motor | Jurgen Seeberger | 1989-11-07 |
| 4851763 | Current-measuring device, especially for determining the motor current of a direct-current motor | Bertold Grutzmacher | 1989-07-25 |