Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9152901 | Method for the production of a book cover insert and book-type security document and book cover insert and book-type security document | Michael Radtke, Detlef Martens, Manfred Paeschke, Jens Ehreke, Thomas Loer +2 more | 2015-10-06 |
| 7832771 | Method for the production of a book-type security document and a book-type security document | Michael Radtke, Detlef Martens, Manfred Paeschke, Jens Ehreke, Thomas Loer +2 more | 2010-11-16 |
| 7371301 | Multilayer security document and method for the production thereof | Thomas Loeer, Detlef Maertens | 2008-05-13 |
| 6986823 | Process and apparatus for producing a laminate, comprising at least one polymer film with information and at least one substrate, for further processing for forgery-proof documents | Waldemar Kiener, Johann Rein, Thomas Loer, Detlef Martens, Michael Radtke +3 more | 2006-01-17 |
| 6750465 | Device for evaluating diffractive authenticity features | Arnim Franz-Burgholz, Roland Gutmann, Thomas Loer, Detlef Martens, Gunther Dausmann +5 more | 2004-06-15 |