Issued Patents All Time
Showing 1–2 of 2 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, Oswin Lack, Ralf Vallerius | 2025-01-14 |
| 11086141 | Spectacle lens blank, and method and device for producing a spectacle lens from a spectacle lens blank | Ralf Meschenmoser, Ralf Vallerius | 2021-08-10 |