Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4907669 | Front axle for an all-wheel drive vehicle | Karl Friedrich | 1990-03-13 |
| 4903791 | Frame crossbeam assembly for all-wheel drive vehicle | Karl Friedrich, Klaus Eder, Franz Bachhiesl | 1990-02-27 |
| 4867260 | All-wheel drive vehicle power train | Karl Friedrich, Rudolf Zmugg, Peter Resele | 1989-09-19 |
| 4601359 | Part time on-demand four-wheel drive vehicle transaxle with viscous clutch | Peter H. Weismann, Richard E. Eastman | 1986-07-22 |
| 4582160 | Constant four wheel drive vehicle transaxle | Peter H. Weismann | 1986-04-15 |