Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7175773 | Method for manufacturing a blazed grating, such a blazed grating and a spectrometer having such a blazed grating | Klaus Heidemann, Holger Kierey | 2007-02-13 |
| 4923293 | Optical system for masking out a component region of an image | Rainer Schwenn | 1990-05-08 |