Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8312525 | Authentication over a network using one-way tokens | Dieter Kessler | 2012-11-13 |
| 8028331 | Source access using request and one-way authentication tokens | Dieter Kessler | 2011-09-27 |
| 7761711 | Signature validation and generation | Kay Winkler, Michael Ulrich Körner, Harald Schöning, Rene Kollmorgen, Dieter Kessler | 2010-07-20 |