Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7894112 | Security element with a diffraction structure having subareas representing recognizable information | Wittich Kaule, Siegfried Harms | 2011-02-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7894112 | Security element with a diffraction structure having subareas representing recognizable information | Wittich Kaule, Siegfried Harms | 2011-02-22 |