Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5647336 | Device for introducing fuel into a combustion chamber of an internal combustion engine | Martin Wirth, Gunter K. Fraidl | 1997-07-15 |
| 5642706 | Internal combustion engine with spark ignition | Martin Wirth | 1997-07-01 |
| 5622150 | Method for introducing fuel into a combustion chamber of an internal combustion engine | Gunter K. Fraidl, Hendrik P. Hazeu | 1997-04-22 |
| 5590635 | Device for introducing fuel into the combustion chamber of an internal combustion engine | Martin Wirth, Gunter K. Fraidl | 1997-01-07 |