Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11086141 | Spectacle lens blank, and method and device for producing a spectacle lens from a spectacle lens blank | Ralf Vallerius, Sven Hänsch | 2021-08-10 |
| 10947053 | Production system for spectacle lenses | Arne Schulz, Dennis Klora | 2021-03-16 |