Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6784441 | Handsensor for authenticity identification of signets on documents | Benedikt Ahlers, Roland Gutmann, Arnim Franz-Burgholz, Manfred Paeschke, Peter Halter +2 more | 2004-08-31 |
| 6741336 | Sensor for authenticity identification of signets on documents | Benedikt Ahlers, Roland Gutmann, Arnim Franz-Burgholz, Manfred Paeschke, Peter Halter | 2004-05-25 |
| 6686074 | Secured documents identified with anti-stokes fluorescent compositions | Oliver Muth, Helge Brockmann, Wolfgang Schmidt, Gabriele Brauer, Manfred Paeschke +3 more | 2004-02-03 |