Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6686074 | Secured documents identified with anti-stokes fluorescent compositions | Oliver Muth, Helge Brockmann, Wolfgang Schmidt, Anett Bailleu, Gabriele Brauer +3 more | 2004-02-03 |