Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5046470 | Method of and device for monitoring combustion in a spark ignition internal combustion engine | Robert Entenmann, Karl-Heinz Kugler, Siegfried Rhode, Bernhard Stengel, Oskar Torno +2 more | 1991-09-10 |