Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7940159 | Identification system | Wolfgang Clemens, Walter Fix, Andreas Ullmann | 2011-05-10 |
| 7823928 | Valuable document and method for producing a valuable document | Norbert Lutz | 2010-11-02 |
| 7771629 | Method and film system for producing a personalised, optically variable element | Haymo Katschorek, Mathias Seitz | 2010-08-10 |
| 7654578 | Security document comprising at least one security element | — | 2010-02-02 |
| 7560156 | Strip shaped safeguarding element | — | 2009-07-14 |
| 6700705 | Structure arrangement having an optical-diffraction effect | Jürgen Herrmann | 2004-03-02 |
| 6508489 | Value-bearing document with window | Jürgen Herrmann | 2003-01-21 |
| 6428051 | Value-bearing document with window | Jürgen Herrmann | 2002-08-06 |
| 5763051 | Structure arrangement with a relief structure having an optical-diffraction effect | Jürgen Herrmann | 1998-06-09 |
| 5714231 | Decorative layer structure and use thereof | — | 1998-02-03 |
| 4717615 | Multi-layer foil and process for the production thereof | — | 1988-01-05 |