Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10583540 | Device for fine processing of optically effective surfaces on, in particular, eyeglass lenses | Steffen Wallendorf, Holger Schäfer, Andreas Kaufmann | 2020-03-10 |
| 10569387 | Polishing disc for a tool for fine processing of optically effective surfaces on spectacle lenses | Andreas Kaufmann, Steffen Wallendorf, Holger Schäfer | 2020-02-25 |