Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6418153 | Method for operating a laser light source | Johann Engelhardt, William F. Hug | 2002-07-09 |
| 6266148 | Method for measuring surfaces by confocal microcopy | Johann Engelhardt | 2001-07-24 |
| 6263234 | Confocal surface-measuring device | Johann Engelhardt | 2001-07-17 |
| 6150666 | Polyfocal representation of the surface profile of any given object | Johann Engelhardt, Heinrich Ulrich | 2000-11-21 |