Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4823071 | Capacitive measuring system for measuring the distance between two relatively movable parts | Hartwig Knoell, Josef Wenzl, Hermann Biebl | 1989-04-18 |
| 4804905 | Capacitive measuring system for measuring the distance between two relatively movable parts | Hartwig Knoell, Josef Wenzl, Hermann Biebl | 1989-02-14 |