Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6711894 | Internal combustion engine and method of operating same | Ralf Bruenemann, Eberhard Holder, Roland Kemmler, Martin Matt | 2004-03-30 |
CK
Christoph Koehlen
Overall (All Time): #3,474,193 of 4,157,543Top 85%
1
Patents All Time