Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9835866 | Spectacle lens for a display device that can be fitted on the head of a user and generates an image | Frank Widulle | 2017-12-05 |
| 9733479 | Optical element and display device with such an optical element | — | 2017-08-15 |