Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12059768 | Blocking piece and method for vacuum blocking a lens blank | Wito Hartmann, Roland Mandler, Oswin Lack | 2024-08-13 |
| 9733492 | Set of spectacle lens semifinished products, apparatus for making spectacle lenses and method therefor | Georg Michels, Timo Kratzer | 2017-08-15 |
| 9409274 | Tool for the polishing of optical surfaces | Georg Michels | 2016-08-09 |
| 8979618 | Polishing tool for processing optical surfaces | Michael Zaiser | 2015-03-17 |
| 5870918 | Thread rolling head | Uwe Schunk | 1999-02-16 |