Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6182912 | Fuel injection valve | Martin Muller, Stefan Herold, Jochen Riefenstahl, Reinhold Brückner, Dirk Fischbach +10 more | 2001-02-06 |
| 6178637 | Method and apparatus for producing rotationally symmetrical valve seat faces of high surface quality in valves | Stefan Herold | 2001-01-30 |
| 6145761 | Fuel injection valve | Martin Muller, Stefan Herold, Jochen Riefenstahl, Reinhold Brückner, Dirk Fischbach +10 more | 2000-11-14 |