Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5525891 | Power-supply-apparatus in a vehicle | Friedhelm Meyer, Wunibald Frey | 1996-06-11 |
| 5107198 | Apparatus for charging a battery especially a battery in a motor vehicle, with a self-exciting generator | Friedhelm Meyer, Wunnibald Frey | 1992-04-21 |
| 5025136 | Device for and method of applying voltage to a heating resistor in a motor vehicle in dependency on operating conditions of the vehicle | Wunibald Frey | 1991-06-18 |