Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5696707 | Method of measuring the noise level in the presence of a signal | Christian Hentschel, Clemens Rueck, Edgar Leckel | 1997-12-09 |
| 5596440 | Method and apparatus for analyzing the characteristics of an optical circuit | Dietmar Patz, Christian Hentschel | 1997-01-21 |