Issued Patents 2024
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11926557 | Method of manufacturing a spectacle lens | Michel-René Christmann, Andreu Llobera Adan | 2024-03-12 |
| 11892712 | Progressive spectacle lens having a variable refractive index and method for the design and production thereof | Christoph Menke, Helmut Wietschorke | 2024-02-06 |