Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5655715 | Fuel injection valve | Waldemar Hans | 1997-08-12 |
| 5634597 | Electromagnetically actuated fuel injection valve | Klaus-Henning Krohn, Waldemar Hans, Johann Bayer | 1997-06-03 |
| 5599466 | Method for producing perforated valve spray disk | Martin Maier, Norbert Belzner, Jorg Heyse | 1997-02-04 |