Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4897584 | Device and method for detecting the coil temperature of a direct-current motor, especially a brushless direct-current motor | Bertold Grutzmacher, Helmut Meyer | 1990-01-30 |
| 4847447 | Protective device for a cable end | Michael Lehnert | 1989-07-11 |