Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9264424 | Method for protecting an internet supplementary service | Ulrich Mitreuter | 2016-02-16 |
| 8621033 | Method for identifying internet users | Ulrich Mitreuter, Stefan Unger | 2013-12-31 |
| 7366503 | Method for administering a service for a subscriber | — | 2008-04-29 |
| 7190779 | Method and apparatus for handling calls requiring the support of an intelligent network | Hanspeter Ruckstuhl | 2007-03-13 |
| 6198810 | Authentication system for a communication network | Reinhard Lueder | 2001-03-06 |
| 6154146 | Method of rendering misuse of communication services more difficult | Reinhard Lueder | 2000-11-28 |
| 6009154 | Process for flexible rate charging for existing connections | Ralf Rieken | 1999-12-28 |