Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11131581 | Optical assembly and method of manufacturing an optical assembly | Ulrich Backes | 2021-09-28 |
| 10509237 | Method and apparatus for measuring add power of a contact lens | Daozhi Wang | 2019-12-17 |