Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5632304 | Exhaust butterfly system | Dietmar Froese, Georg Reuther, Christian Kroeger, Harald Bressler | 1997-05-27 |
| 5623825 | Turbo charger arrangement for an internal combustion engine | Peter Stratz | 1997-04-29 |