Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6442257 | Configuration for charging in a telephone network and method for operating such a configuration | — | 2002-08-27 |
| 6418208 | Method for controlling the statutory monitoring of telecommunication traffic | Andreas Morgenroth | 2002-07-09 |