Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7739778 | High-performance cutting and turning machine and method for machining particularly spectacle lenses | Udo Fiedler, Manfred Hanisch, Steffen Wallendorf, Holger Schaefer | 2010-06-22 |
| 6991525 | Method and device for the surface machining of workpieces composed of non-brittle materials in optical lens manufacturing and tool for this purpose | Joachim Diehl, Ronald Lautz | 2006-01-31 |
| 6227952 | Apparatus for creating a concave surface from a spectacle blank | Joachim Diehl, Ronald Lautz | 2001-05-08 |
| 5938381 | Method and tool for creating a concave surface from a spectacle blank | Joachim Diehl, Ronald Lautz | 1999-08-17 |