Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4407156 | Air flow rate measuring device in an internal combustion engine | Michael Horbelt, Herbert Arnold | 1983-10-04 |
| 4254742 | Apparatus for adapting engine fuel supply to ambient air temperature | Hans Schnurle, Ulrich Drews, Peter Werner | 1981-03-10 |