Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4848847 | Pressure supply system especially for brake systems of motor vehicles | Hans-Dieter Reinartz, Helmut Steffes | 1989-07-18 |
| 4841158 | Safety relay circuit for switching on electric systems of automotive vehicles | — | 1989-06-20 |
| 4802710 | Electric switching device | Jochen Burgdorf | 1989-02-07 |