Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889520 | Tension device for drive belt | Manfred Brandenstein, Roland Haas | 1989-12-26 |
| 4872768 | Swivel bearing for braking devices | Manfred Brandenstein, Roland Haas, Wolfgang Friedrich | 1989-10-10 |
| 4848938 | Ring-shaped machine part | Roland Haas, Manfred Brandenstein, Karl Thurn | 1989-07-18 |