Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10416569 | Attenuation filter for projection lens, projection lens having attenuation filter for projection exposure apparatus, and projection exposure apparatus having projection lens | Toralf Gruner | 2019-09-17 |
| 10401540 | Optical element having a coating for influencing heating radiation and optical arrangement | Boris Bittner, Norbert Wabra, Holger Schmidt, Sonja Schneider | 2019-09-03 |
| 10183613 | Projection lamp for illumination | Juergen Hager, Stephan Schwaiger, Oliver Hering, Norbert Haas | 2019-01-22 |