Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5406137 | Circuit arrangement for evaluating the signal of a capacitive measuring sensor | Dieter Ehlers | 1995-04-11 |
| 5049876 | Data communication system | Arno Kahle, Heinz Daab, Dieter Ehlers | 1991-09-17 |