Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9529123 | Lens blank having a temporary grip coating for a method for manufacturing spectacle lenses according to a prescription | Frank Breme, Michael Witzany, Marc Peter, Guiseppe Viscomi | 2016-12-27 |