Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10573113 | Device and method for checking value documents for marking ink | Hendrik Derks, Jan Domke, Johannes Feulner, Norbert Holl, Steffen Schmalz +1 more | 2020-02-25 |
| 9683972 | Method and device for examining a sheet-shaped or card-shaped valuable document having a security feature having one or more cavities | Jan Domke, Patrick Renner, André Gregarek | 2017-06-20 |
| 9449255 | Method and apparatus for the determination of classification parameters for the classification of bank notes | Matthias Hecht | 2016-09-20 |
| 8510062 | Method for assessing a state of a document of value with regard to limpness using ultrasound, and means for carrying out the method | Jan Domke, Klaus Thierauf, Franz Muller | 2013-08-13 |