Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7173940 | Providing gateway functionality in a virtual private network | — | 2007-02-06 |
| 6668052 | Method and system for signaling in a telecommunication system | — | 2003-12-23 |
| 6345091 | Telecommunication system and method for implementing an ISDN PBX interface | Antonius Vernooij | 2002-02-05 |