Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9835875 | Method of calculation for detailed waverfront calculation for spectacle lenses with a diffractive grating | Wolfgang Becken, Gregor Esser, Helmut Altheimer, Edda Wehner, Stephan Trumm +1 more | 2017-12-05 |
| 9696563 | Brightness-dependent adjustment of a spectacle lens | Stephan Trumm, Peter Seitz, Adam Muschielok, Helmut Altheimer, Wolfgang Becken +4 more | 2017-07-04 |