Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6753970 | Transducer for generating optical contrasts | Christof Krampe | 2004-06-22 |
| 5112125 | Spectral microscope with a photometer | — | 1992-05-12 |
| 4963724 | Apparatus for producing an optical image contrast | — | 1990-10-16 |
| 4798948 | Field stop for dark field illumination in autofocus optical device | Hans-Werner Stankewitz | 1989-01-17 |
| 4595829 | Apparatus for automatically focusing objects to be viewed in optical instruments | Gunter Reinheimer | 1986-06-17 |