Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7123545 | Monitoring device and method using echo signals | Roland Klinnert, Christian Zott, Hauke Schmidt, Steffen Schluff | 2006-10-17 |
| 6404702 | Surveillance device for signal-echo sensors | Roland Klinnert, Wolfgang Grimm, Hauke Schmidt | 2002-06-11 |