Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9784992 | Method and system for determining an eyeglass prescription | Ray Steven Spratt | 2017-10-10 |
| 9733492 | Set of spectacle lens semifinished products, apparatus for making spectacle lenses and method therefor | Georg Michels, Gerd Nowak | 2017-08-15 |
| 9717407 | Apparatus and method for testing night vision | Jesús-Miguel Cabeza Guillén | 2017-08-01 |