Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5647336 | Device for introducing fuel into a combustion chamber of an internal combustion engine | Walter Piock, Martin Wirth | 1997-07-15 |
| 5622150 | Method for introducing fuel into a combustion chamber of an internal combustion engine | Walter Piock, Hendrik P. Hazeu | 1997-04-22 |
| 5590635 | Device for introducing fuel into the combustion chamber of an internal combustion engine | Walter Piock, Martin Wirth | 1997-01-07 |