Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7624191 | Transmission of call-related data in a communications system | Andreas Marschall | 2009-11-24 |
| 7006619 | System for accessing different resources having the same identification code | Claus Rist | 2006-02-28 |