Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849891 | Device for propulsion control for a motor vehicle with all-wheel drive | Hellmut Krohn | 1989-07-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849891 | Device for propulsion control for a motor vehicle with all-wheel drive | Hellmut Krohn | 1989-07-18 |