Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889172 | Anti-skid device for vehicle wheels | Peter Zeiser, Helmut Kaiser | 1989-12-26 |
| 4840399 | Anti-skid devices for motor vehicles | Wolfgang Biehler | 1989-06-20 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889172 | Anti-skid device for vehicle wheels | Peter Zeiser, Helmut Kaiser | 1989-12-26 |
| 4840399 | Anti-skid devices for motor vehicles | Wolfgang Biehler | 1989-06-20 |