Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8819204 | Method and device for operating a group service in a communications network | Thomas Lüde | 2014-08-26 |
| 7127231 | Method for operating a billing system associated with a mobile radio network for billing for tariffable use of data, and data transmission network | — | 2006-10-24 |
| 6891801 | Method of operating a data transmission system | — | 2005-05-10 |