Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10046585 | Micro-optic viewing arrangement | Winfried Hoffmuller, Michael Rahm, Theodor Burchard, Andreas Rauch, Rudolf Seidler +3 more | 2018-08-14 |
| 5573639 | Antifalsification paper having a thread- or band-shaped security element | Christian Schmitz | 1996-11-12 |