Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12194721 | Protective film removing apparatus and method each for removing a protective film from an optical lens | Claude Volken, Ralf Vallerius, Sven Hänsch | 2025-01-14 |
| 12059768 | Blocking piece and method for vacuum blocking a lens blank | Gerd Nowak, Wito Hartmann, Roland Mandler | 2024-08-13 |
| 7066797 | Block piece for holding an optical workpiece, in particular a spectacle lens, for machining thereof | Claude Volken, Ueli Wyler | 2006-06-27 |