Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845414 | Method of protecting the electric drive of a vehicle against overload | Hartmut Scherf, Helmut Haase | 1989-07-04 |
| 4489258 | Propulsion system for vehicles with a d-c machine | Hans Kahlen | 1984-12-18 |