Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9289877 | Device for the fine machining of optically active surfaces on, in particular, spectacle lenses | Holger Schäfer, Steffen Wallendorf | 2016-03-22 |
| 8806997 | Device for lathe machining of optical workpieces of materials of non-brittle hardness | Thomas Mappes | 2014-08-19 |
| 8696410 | Device for finish-machining of optically effective surfaces of, in particular, spectacle lenses | Bernd Schüssler, Holger Schäfer, Steffen Wallendorf | 2014-04-15 |
| 8628071 | Device for finish-machining of optically effective surfaces of workpieces, in particular spectacle lenses | Holger Schäfer, Steffen Wallendorf | 2014-01-14 |
| 7739778 | High-performance cutting and turning machine and method for machining particularly spectacle lenses | Manfred Hanisch, Karl-Heinz Tross, Steffen Wallendorf, Holger Schaefer | 2010-06-22 |
| 5265095 | Method for inputting signals into and outputting signals out from subareas of the auxiliary signals of transport modules of a synchronous digital signal hierarchy | Walter Lechler, Gerhard Musil, Wilhelm Volejnik, Guenter Weimert | 1993-11-23 |