Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6963449 | Method for improving the imaging properties of at least two optical elements and photolithographic fabrication method | Birgit Mecking, Alexander Kohl | 2005-11-08 |
| 6842294 | Catadioptric objective | Hubert Holderer, Ulrich Weber, Alexander Kohl, Christoph Zaczek, Jens Ullmann +3 more | 2005-01-11 |