Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9429911 | Object produced by a molding process and marked by a diffraction grating, and method for the production thereof | Klaus Franken | 2016-08-30 |
| 9418282 | Method and device for authenticating documents marked with photochromic systems | Alexander Ruegg | 2016-08-16 |