Issued Patents 2023
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11841558 | Spectacle lens for a display device which can be placed on the head of a user and generates an image | — | 2023-12-12 |
| 11740488 | Progressive spectacle lens having a variable refractive index and method for the design and production thereof | Gerhard Kelch, Helmut Wietschorke | 2023-08-29 |
| 11650510 | Projection optical unit for microlithography and method for producing a structured component | Hans-Juergen Rostalski, Holger Muenz | 2023-05-16 |