Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889206 | Viscous shear coupling | Helmut Wiese | 1989-12-26 |
| 4885957 | Disconnectable transmission assemblies | Herbert Taureg, Helmut Wiese | 1989-12-12 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889206 | Viscous shear coupling | Helmut Wiese | 1989-12-26 |
| 4885957 | Disconnectable transmission assemblies | Herbert Taureg, Helmut Wiese | 1989-12-12 |