Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9264424 | Method for protecting an internet supplementary service | Renate Zygan-Maus | 2016-02-16 |
| 8621033 | Method for identifying internet users | Stefan Unger, Renate Zygan-Maus | 2013-12-31 |