Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11485675 | Contrast enhancing glass for sunglass lenses | Antje Gawronski, Ottmar Bartels | 2022-11-01 |
| 9671622 | Color-enhancing thin lens for eyewear | Gianni Vetrini, Antje Gawronski, Matthias Döch | 2017-06-06 |