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, Anett Bailleu, Manfred Paeschke, Peter Halter +2 more | 2004-08-31 |
| 6750465 | Device for evaluating diffractive authenticity features | Roland Gutmann, Harald Hoeppner, Thomas Loer, Detlef Martens, Gunther Dausmann +5 more | 2004-06-15 |
| 6741336 | Sensor for authenticity identification of signets on documents | Benedikt Ahlers, Roland Gutmann, Anett Bailleu, Manfred Paeschke, Peter Halter | 2004-05-25 |