Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4649763 | Multiple-speed, hydrokinetic transmission | Kurt Graef, Hans-Peter Wirtz, Friedrich Lauscher, Werner Potzsch, Peter Korfer +3 more | 1987-03-17 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4649763 | Multiple-speed, hydrokinetic transmission | Kurt Graef, Hans-Peter Wirtz, Friedrich Lauscher, Werner Potzsch, Peter Korfer +3 more | 1987-03-17 |