Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5194746 | Method and device for examining components with data digitized into a large number of gray levels | Gunther Coen, Rudolf Kretschmer, Friedhelm Niehues | 1993-03-16 |
| 5153677 | Method and apparatus for interferometric detection of surface displacement of solids | Bertold Kruger | 1992-10-06 |
| 4593567 | Electromagnet transducer | Fritz Isselstein, Ernst Luhn, Gunther Coen, Dietmar Oberhoff | 1986-06-10 |