Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9244208 | Optical filter and method for the production of the same, and device for the examination of electromagnetic radiation | Hartmut Hillmer, Wolfgang Koecher, Juergen Krieg, Carl Sandhagen, Winfried Willemer | 2016-01-26 |
| 8629986 | Optical filter and method for the production of the same, and device for the examination of electromagnetic radiation | Hartmut Hillmer, Wolfgang Koecher, Juergen Krieg, Carl Sandhagen, Winfried Willemer | 2014-01-14 |