Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11960148 | Eyeglass lens and method of making same | Christian POEPPERL, David Frings | 2024-04-16 |
| 9851584 | Method of making an eyeglass lens | David Frings, Christian POEPPERL | 2017-12-26 |
| 7338347 | Spectacle-lens edging machine | Lutz Gottschald, Fritz Kotting | 2008-03-04 |
| 7137871 | Spectacle lens edging machine | Lutz Gottschald, Fritz Kotting | 2006-11-21 |
| 6902468 | Assembly for machining the edges of spectacle lenses | Fritz Kotting, Ralf Werner | 2005-06-07 |
| 6848969 | Method and device for treating spectacle glasses by means of a CNC-controlled spectacle glass treatment machine | — | 2005-02-01 |
| 6579155 | Method and apparatus for form machining the peripheral edge of spectacle lenses | Fritz Kotting | 2003-06-17 |