Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4478183 | Idling speed control for internal combustion engines | Adolf Freytag, Manfred Henning | 1984-10-23 |
| 4474154 | Idling speed control for internal combustion engines | Manfred Henning | 1984-10-02 |
| 4185845 | Level regulator for automotive vehicles | Hans Kubach | 1980-01-29 |