Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5651385 | Servo drive operated by a pressure medium | — | 1997-07-29 |
| 5644948 | Control valve with a drive operated by a pressure medium and a position controller | Heiko Kresse, Alexander Kleist, Wolfgang Backe | 1997-07-08 |