Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10542037 | Denial of service protection for IP telephony systems | — | 2020-01-21 |
| 10313528 | Systems, methods, and computer program products for providing regional survivable calling over a packet network | Paul A. Roy, Earl B. Manchester, Michael Kisselburgh, Julian Francispillai | 2019-06-04 |