Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11221505 | Method and device for checking the centering of at least one spectacle lens | Markus Tiemann, Martin Dumm, Monika Füss, Holger Wild | 2022-01-11 |
| 7033024 | Method for manufacturing an eyeglass lens | Fritz Gruna, Helmut Altheimer, Walter Haimerl, Gregor Esser, Herbert Pfeiffer | 2006-04-25 |