Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4826082 | Fuel injection valve | Udo Hafner, Waldemar Hans, Heinrich Knapp, Wolfgang Kramer, Rudolf Krauss +3 more | 1989-05-02 |
| 4813599 | Electromagnetically actuatable fuel injection valve | Udo Hafner, Waldemar Hans, Heinrich Knapp, Wolfgang Kramer, Rudolf Krauss +3 more | 1989-03-21 |
| 4807846 | Electromagnetically actuatable fuel injection valve | Udo Hafner, Waldemar Hans, Heinrich Knapp, Wolfgang Kramer, Rudolf Krauss +3 more | 1989-02-28 |
| 4795097 | Electromagnetically actuatable fuel injection valve | Udo Hafner, Waldemar Hans, Heinrich Knapp, Wolfgang Kramer, Rudolf Krauss +3 more | 1989-01-03 |