Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8873374 | Accelerated recovery during negotiation between a media gateway and a media gateway controller | Charles Lewis Davidson | 2014-10-28 |
| 8305876 | Accelerated recovery during negotiation between a media gateway and a media gateway controller | Charles Lewis Davidson | 2012-11-06 |
| 7633932 | Accelerated removal from service of a signal processor at a media gateway | Charles Lewis Davidson | 2009-12-15 |