Issued Patents All Time
Showing 76–80 of 80 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7769020 | Method for the establishment of a communication link, and communication system | Mark Beckmann, Holger Schmidt | 2010-08-03 |
| 7747270 | Method for allocating a communication right, communication conference session server and communication conference session server arrangement | Norbert Schwagmann, Andreas Schmidt, Holger Schmidt | 2010-06-29 |
| 7639182 | Distance measurement in a radio communication device | Andreas Schmidt, Norbert Schwagmann, Michael Benkert | 2009-12-29 |
| 7567654 | Method for setting up a communication link | Norbert Schwagmann, Markus Trauberg, Martin Wulsten | 2009-07-28 |
| 7561675 | Method for setting up a communication link with multimedia call signaling | Norbert Schwagmann, Markus Trauberg, Martin Wulsten | 2009-07-14 |