Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11974642 | Lens care container | Roger Biel, Matthias Schwab | 2024-05-07 |
| 11447583 | High molecular weight poly(methacrylic acid) | Stephan Wittmar, Thomas Schmidt, Claudio Hofmann | 2022-09-20 |
| 11001652 | High molecular weight poly(methacrylic acid) | Stephan Wittmar, Thomas Schmidt, Claudio Hofmann | 2021-05-11 |
| 10809181 | Method and apparatus for determining a coefficient of friction at a test site on a surface of a contact lens | Markus Grebe, Michael Ruland, André Wicklein | 2020-10-20 |