Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7440558 | Telephony security system | Craig Heilmann, Mark Collier, Doug Conyers, Keith S. Pickens, David Buntin +4 more | 2008-10-21 |
| 6760420 | Telephony security system | Craig Heilmann, Mark Collier, Doug Conyers, Keith S. Pickens, David Buntin +4 more | 2004-07-06 |
| 6226372 | Tightly integrated cooperative telecommunications firewall and scanner with distributed capabilities | Todd Beebe, Mark Collier, Doug Conyers, Chris Hamlett | 2001-05-01 |