Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8663820 | Security document with luminescent transition metal doping | Thomas Giering, Rainer Hoppe | 2014-03-04 |
| 4797463 | Two-component material and the use thereof | Stefan Grimm, Michael Schatzle | 1989-01-10 |