Issued Patents 2025
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12292378 | Method for determining the composition of a multi-layer system showing a predetermined colour flip-flop effect | Sylvia Klausnitzer, Lutz Frischmann, Ralf Buescher | 2025-05-06 |