Issued Patents 2024
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12151500 | Optically variable security element | Martin Imhof, Astrid Heine, Andrea Hofstetter | 2024-11-26 |
| 12129382 | Effect pigment, production method, value document and printing ink | Michael Rahm, Manfred Heim, Winfried Hoffmuller | 2024-10-29 |