Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6057550 | Infrared objective | Christoph Thoma, Matthias Erdmann, Johann Schweiger | 2000-05-02 |
| 5812309 | Infrared objective | Christoph Thoma, Matthias Erdmann, Johann Schweiger | 1998-09-22 |
| 4973164 | Method and apparatus for the optical detection of the roughness profile of a material surface | Klaus Weber, Herbert Pettinger | 1990-11-27 |
| 4904877 | Optical scanning apparatus for detecting faults in transparent material wherein the plane of incident light is arranged at the breuster angle to the normal to the surface | — | 1990-02-27 |
| 4864121 | Light curtain with periodic light transmitter arrangement | — | 1989-09-05 |
| 4848864 | Scanner for the optical scanning of objects | Klaus Ostertag | 1989-07-18 |