Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4890491 | Method and device for indicating the level of liquid in an automobile fuel tank | Egon Vetter, Thomas Pfeifer, Heinz-Georg Burghoff | 1990-01-02 |
| 4770543 | Device in a motor vehicle for indicating the outside temperature | Heinz-Georg Burghoff, Gerhard Drucker | 1988-09-13 |
| 4718466 | Circuit arrangement for the electro-thermal measurement of the filling level in the tank of a motor vehicle | Heinz-Georg Burghoff | 1988-01-12 |