Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11439299 | Selection aid for selecting lenses for spectacles | Manuela Weinreich, Sarah Gothe | 2022-09-13 |
| 9995950 | Spectacle lens for car drivers | Stefan Kraus, Bernhard von Blanckenhagen | 2018-06-12 |