Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7986459 | Grid image and method for the production thereof | Marius Dichtl | 2011-07-26 |
| 7894112 | Security element with a diffraction structure having subareas representing recognizable information | Hajo Mueck, Siegfried Harms | 2011-02-22 |
| 7880152 | Device and method for producing resist profiled elements | Rainer Plontke, Ines Stolberg, Andreas Schubert, Marius Dichtl | 2011-02-01 |