Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869596 | Thermally checking the state or the condition of a hydraulic fluid | Hans-Christof Klein | 1989-09-26 |
| 4828332 | Brake system with anti skid control and/or traction slip control | — | 1989-05-09 |