Issued Patents All Time
| 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 |
| 8246424 | Polishing disc for a tool for the fine machining of optically active surfaces particularly on spectacle lenses and method for its production | Lothar Urban | 2012-08-21 |
| 7278908 | Polishing disk for a tool for the fine machining of optically active surfaces on spectacle lenses in particular | Lothar Urban | 2007-10-09 |
| 7066794 | Tool for fine machining of optically active surfaces | Gilles Granziera, Reiner Herold, Karl-Heinz Troβ | 2006-06-27 |