Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7765832 | Method of producing reflectors from glass or glass ceramics | Hans-Walter Abraham, Armin Zehner, Gernot Frei, Hans-Juergen Klein, Thomas Niklos +1 more | 2010-08-03 |
| 7729054 | Optical diffuser for producing a circular light field | Ralf Becker, Ruediger Kittelmann, Eberhard Kurek, Harry Wagener | 2010-06-01 |
| 7443588 | Optical diffuser for producing a circular light field | Ralf Becker, Ruediger Kittelmann, Eberhard Kurek, Harry Wagener | 2008-10-28 |