Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7636572 | Mobile communication system for controlling a connection setup | Uwe Foll, Frank Erfurt, Manfred Leitgeb, Alexander Niepel, Uve Reimer +1 more | 2009-12-22 |
| 7050454 | Method and communication network for the administration of additional services | Manfred Leitgeb | 2006-05-23 |
| 6600923 | Method and communication network for administering subscriber data, particularly service data | — | 2003-07-29 |
| 6421441 | Method and telephone network for switching telephone connections | — | 2002-07-16 |
| 5898915 | Method and system for monitoring the fees arising for calls in a mobile radiotelephone system | Georg Reininghaus | 1999-04-27 |