Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11126016 | Method and device for determining parameters for spectacle fitting | Holger Wegendt, Oliver Schwarz, Jeremias Gromotka | 2021-09-21 |
| D920300 | Add-on for a smartphone for smartphone-based photorefraction | Xiao Han | 2021-05-25 |
| 10942375 | Device for determining centring parameters for the adjustment of spectacles | Cristina Alvarez Diez, Michael Gamperling, Oliver Schwarz, Frank Widulle | 2021-03-09 |