Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4890491 | Method and device for indicating the level of liquid in an automobile fuel tank | Thomas Pfeifer, Heinz-Georg Burghoff, Werner Daub | 1990-01-02 |
| 4695915 | Short circuit and overload protection circuit for output stage transistors | Josef Mahalek | 1987-09-22 |