Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6649111 | Method for producing a housing for a throttle valve connection piece | Thomas Hannewald, Rolf Oppermann, Michael Haede, Rüdiger Mörbe, Carlos Backes +1 more | 2003-11-18 |
| 6505643 | Throttle valve body | Lutz Scholten, Peter Welteroth, Rolf Oppermann | 2003-01-14 |