Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6659082 | Method for operating a four-stroke internal combustion engine | Igor Gruden, Guido Vent | 2003-12-09 |
| 6394064 | Method for operating a four-stroke internal combustion engine | — | 2002-05-28 |