Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5323870 | Adjustable viscous shear coupling for an all-wheel drive vehicle and a process for its control | Martin Parigger, Gerhard Mullner, Johann Rieger, Robert Schaffernak | 1994-06-28 |