Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8219403 | Device and method for the creation of a voice browser functionality | Detlev Freund | 2012-07-10 |
| 7606216 | Device for the packet-based access of classical ISDN/PSTN subscribers to a switching system | — | 2009-10-20 |
| 7372869 | Device and method for the packet based access of classical ISDN/PSTN subscribers to a switching system | — | 2008-05-13 |