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, Hans-Jurgen Rostalski | 2006-12-12 |
| 6728036 | Diffractive optical element and also optical arrangement comprising a diffractive optical element | Bernd Kleemann, Hans-Jurgen Rostalski | 2004-04-27 |
| 6424471 | Catadioptric objective with physical beam splitter | Helmut Beierl | 2002-07-23 |
| 5475197 | Process and apparatus for the ablation of a surface | Walter G. Wrobel, Theo Lasser, Peter Reimer, Herbert Gross | 1995-12-12 |