Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10076921 | Document with hologram, and method of producing same | Andreas Wanke, Gunther Dausmann, Philippe Huet, Hugues Souparis | 2018-09-18 |
| 10031480 | Method for producing security elements by the individualization of volume holograms and security elements produced therewith | Philippe Huet | 2018-07-24 |
| 9477203 | Multi-layer body, method for producing it, and production of forgery-proof documents using said multi-layer body | — | 2016-10-25 |
| 8337653 | Method for the individual application of hot embossing film and security documents produced therewith | — | 2012-12-25 |
| 8263292 | Method for producing counterfeit-proof confidential and valuable documents | Guenther Dausmann | 2012-09-11 |
| 8077364 | Security system, particularly for valuable documents | Gunther Dausmann, Benedikt Ahlers, Arnim Franz-Burgholz | 2011-12-13 |
| 8059320 | Method for production of documents with a hologram and a document with a hologram | Gunther Dausmann | 2011-11-15 |
| 7724408 | Security system, especially for security documents | Gunther Dausmann, Benedikt Ahlers, Arnim Franz-Burgholz | 2010-05-25 |
| 7420720 | Optical element and method for the production thereof | Guenther Dausmann | 2008-09-02 |
| 7315407 | Security system, particularly for valuable documents | Gunther Dausmann, Benedikt Ahlers, Arnim Franz-Burgholz | 2008-01-01 |
| 7149013 | Optical element and method for the production thereof | Guenther Dausmann | 2006-12-12 |
| 6876472 | Optical feature, in particular for documents of value, and a manufacturing method for the later individualization or data storage | Guenther Dausmann | 2005-04-05 |