Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5623902 | Method and arrangement for idle adjustment of an internal combustion engine | Peter Henkelmann, Markus Lischwe | 1997-04-29 |
| 5605128 | Method and arrangement for idle adjustment of an internal combustion engine | Helmut Sperling | 1997-02-25 |