Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11726350 | Progressive addition lens and method for manufacturing thereof | Roman Sturm, Thorsten Stein | 2023-08-15 |
| 7712897 | Varifocal lens | Roman Sturm, Thorsten Stein | 2010-05-11 |