Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6440027 | Speed difference-dependent hydraulic coupling with temperature compensation | Siegfried Kaltmann | 2002-08-27 |
| 6383109 | Drive mechanism for driving a four wheel drive vehicle with speed-difference-dependent hydraulic clutch | — | 2002-05-07 |