Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884475 | Automotive drive system for machines and vehicles | Winfried Walzer | 1989-12-05 |
| 4864822 | Control device for a hydrostatic drive for at least two actuators | Ewald Wachs, Ludwig Wagenseil | 1989-09-12 |