Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889206 | Viscous shear coupling | Paul-Erich Schonenbrucher | 1989-12-26 |
| 4885957 | Disconnectable transmission assemblies | Herbert Taureg, Paul-Erich Schonenbrucher | 1989-12-12 |
| 4846299 | Coupling assemblies | Herbert Taureg | 1989-07-11 |