Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4830054 | Component assembly of several directional control valves adapted to be shifted electromagnetically independently of one another | Dieter Feichtiger, Wolfgang Biber, Elmar Freitag, Jean-Paul Corbier, Christian Dragoni | 1989-05-16 |
| 4821018 | Direction indicator and hazard warning device for motor vehicles | Raimund Leistenschneider, Egon Frey | 1989-04-11 |