Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875828 | Turbo-engine having means for controlling the radial gap | Franz Willkop, Gerhard Zahring, Robert Rutsch, Eberhard John | 1989-10-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875828 | Turbo-engine having means for controlling the radial gap | Franz Willkop, Gerhard Zahring, Robert Rutsch, Eberhard John | 1989-10-24 |