Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8769942 | Exhaust manifold for an internal combustion engine | Stefan Ehrmann, Johanna Goldstein | 2014-07-08 |
| 5647207 | Internal-combustion engine including a cylinder shut-off and exhaust gas catalysts | Ulrich Grotjahn, Stephan Knips, Stephan Missy, Bernd Plodek, Rainer Zimmer | 1997-07-15 |