Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888537 | Method of monitoring the end position of a controlling element and circuit arrangement for the carrying out of the method | Hans Appel, Heinz F. Ohm, Kurt Probst | 1989-12-19 |
| 4841931 | Method of adjusting a controlling element and circuit arrangement for the carrying out of the method | Heinz F. Ohm, Hans Appel, Kurt Probst | 1989-06-27 |