Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11647114 | Call authentication service systems and methods | Golam Babil Sarwar | 2023-05-09 |
| 11349987 | Call authentication service systems and methods | Golam Babil Sarwar | 2022-05-31 |
| 8150013 | Telephony security system | David Buntin, Keith S. Pickens, Kirk Smith | 2012-04-03 |
| 7440558 | Telephony security system | Craig Heilmann, Doug Conyers, Keith S. Pickens, David Buntin, Greg Schmid +4 more | 2008-10-21 |
| 6760420 | Telephony security system | Craig Heilmann, Doug Conyers, Keith S. Pickens, David Buntin, Greg Schmid +4 more | 2004-07-06 |
| 6226372 | Tightly integrated cooperative telecommunications firewall and scanner with distributed capabilities | Todd Beebe, Doug Conyers, Chris Hamlett, Stephen Faustino | 2001-05-01 |