Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7298468 | Method and measuring device for contactless measurement of angles or angle changes on objects | — | 2007-11-20 |
| 5307208 | Optical system for imaging the light from light sources | Ingrid Schehrer, Jakob Bleicher, Siegfried Hetz, Ulrich Matern | 1994-04-26 |
| 4997251 | Optical system consisting of at least two partial systems | — | 1991-03-05 |