Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6474284 | Air-routing system, especially a suction system of an internal combustion engine | Christof Baumann, Werner Blossey, Hans-Peter Hielscher, Thomas Jessberger, Herbert Pietrowski +1 more | 2002-11-05 |
| 6422221 | Intake manifold with integrated exhaust gas recirculation system | Herbert Pietrowski | 2002-07-23 |