Patents per Year
Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 7369545 | System using a signaling protocol for controlling voice calls originating in a circuit switching telephone network and routed over a packet switching network | Andrew West, Fred R. Rednor | 2008-05-06 | $40,912,000 |
| 7212522 | Communicating voice over a packet-switching network | Udaya Shankar, Andrew West, Fred R. Rednor, David Benjamin Auerbach, David Anthony Hughes | 2007-05-01 | $83,322,000 |
| 6768733 | Communicating voice over a packet-switching network | Udaya Shankar, Andrew West, Fred R. Rednor, David Benjamin Auerbach, David Anthony Hughes | 2004-07-27 | $114,853,000 |
| 6658022 | Signaling protocol for controlling voice calls in a packet switching network | Andrew West, Fred R. Rednor | 2003-12-02 | $69,230,000 |
| 6570869 | Communicating voice over a packet-switching network | Udaya Shankar, Andrew West, Fred R. Rednor, David Benjamin Auerbach, David Anthony Hughes | 2003-05-27 | $221,935,000 |