Issued Patents 1989
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4860710 | Fuel supply line | Udo Hafner | 1989-08-29 |
| 4858567 | Internal combustion engine | — | 1989-08-22 |
| 4826082 | Fuel injection valve | Max Greiner, Udo Hafner, Waldemar Hans, Wolfgang Kramer, Rudolf Krauss +3 more | 1989-05-02 |
| 4813599 | Electromagnetically actuatable fuel injection valve | Max Greiner, Udo Hafner, Waldemar Hans, Wolfgang Kramer, Rudolf Krauss +3 more | 1989-03-21 |
| 4807846 | Electromagnetically actuatable fuel injection valve | Max Greiner, Udo Hafner, Waldemar Hans, Wolfgang Kramer, Rudolf Krauss +3 more | 1989-02-28 |
| 4795097 | Electromagnetically actuatable fuel injection valve | Max Greiner, Udo Hafner, Waldemar Hans, Wolfgang Kramer, Rudolf Krauss +3 more | 1989-01-03 |