Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11809023 | Spectacle lens and a method for producing a spectacle lens | Katharina Rifai, Siegfried Wahl | 2023-11-07 |
| 11782293 | Progressive addition lens for myopia control and method of manufacturing the same | Saulius Raymond Varnas, Ray Steven Spratt, Gerhard Kelch, Siegfried Wahl | 2023-10-10 |