Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7761080 | Emergency call method | Franz-Josef Banet, Markus Jenisch, Wolfgang Lautenschlager, Wolfgang Klenner | 2010-07-20 |
| 6947538 | Process, service computer, switching centre, terminals and program modules for handling incoming telephone calls during and online data-network session blocking a subscriber line | Yuzhong Shen, Peter Piepkorn, Bernhard Kaiser, Ingrid Glasner-Schapeler | 2005-09-20 |
| 6611821 | Method of charging for the use of an internet service plus a service control unit and a service provider unit | Uwe Stahl, Wolfgang Lautenschlager, Gerd Siegmund | 2003-08-26 |
| 6215770 | Method of establishing a connection as well as an exchange, service computer and communications network | Uwe Stahl | 2001-04-10 |
| 5926536 | Method of establishing a connection as well as an exchange, service computer and communications network | Uwe Stahl | 1999-07-20 |