Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5748816 | Optical cavity for exclusively receiving light parallel to an optical axis | Hartmut Damm, Christof Meyer | 1998-05-05 |
| 5080457 | Apparatus for generating a light curtain | Gunter Fetzer | 1992-01-14 |