Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4817767 | Hydraulic brake system for automotive vehicles | Guenter Trach | 1989-04-04 |
| 4803840 | Hydraulic brake system for automotive vehicles | Norbert Ocvirk, Guenter Trach, Otto Determann, Horst Becker | 1989-02-14 |
| 4796959 | Brake system with control of brake slip and traction slip | Norbert Ocvirk, Guenther Trach, Joachim Maas | 1989-01-10 |