Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6643297 | Network service provider architecture in communications network | Martin Sproat, Bruce Leigh Townsend, Julian Frank Barry Cable, Simon Daniel Breuckheimer, Stephen Rylant Evans +2 more | 2003-11-04 |
| 6519249 | Scalable gatekeepers in an internet telephony system and a method of operation | Brian Bennefeld, Patrick Ma, Gregory Graham | 2003-02-11 |