Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872769 | Friction bearing system for a rapidly rotating shaft | Rudi Ross, Helmut Koch | 1989-10-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872769 | Friction bearing system for a rapidly rotating shaft | Rudi Ross, Helmut Koch | 1989-10-10 |