Issued Patents 1989
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889520 | Tension device for drive belt | Gerhard Herrmann, Roland Haas | 1989-12-26 |
| 4888862 | Method for installing bearing rings | Herrmann Hetterich | 1989-12-26 |
| 4878885 | Tension arrangement for transmission belts | Jurgen Kober | 1989-11-07 |
| 4872768 | Swivel bearing for braking devices | Roland Haas, Wolfgang Friedrich, Gerhard Herrmann | 1989-10-10 |
| 4865469 | Contact free seal for a bearing | Roland Haas, Elmar Mause, Hans-Joachim Buchelmaier | 1989-09-12 |
| 4848938 | Ring-shaped machine part | Roland Haas, Gerhard Herrmann, Karl Thurn | 1989-07-18 |
| 4822008 | Vibration-damped spring | Otmar Winkler, Rudiger Hans | 1989-04-18 |
| 4818124 | Pivot mounted roller | Horst M. Ernst, Roland Haas, Gunter Neder, Josef Stork | 1989-04-04 |