Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7149030 | Diffractive optical element and also optical arrangement comprising a diffractive optical element | Bernd Kleemann, Willi Ulrich | 2006-12-12 |
| 6728036 | Diffractive optical element and also optical arrangement comprising a diffractive optical element | Bernd Kleemann, Willi Ulrich | 2004-04-27 |
| 6585409 | Temperature-measurement device with diffractive optics | Volker Schmidt, William Menchine, Frank Wyrowski | 2003-07-01 |
| 6290389 | Device for temperature measurement | Volker Schmidt, William Menchine, Frank Wyrowski | 2001-09-18 |