Issued Patents All Time
Showing 1–7 of 7 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 |
| 6760421 | Telephony security system | Craig Heilmann | 2004-07-06 |
| 6718024 | System and method to discriminate call content type | Craig Heilmann, David Buntin, Greg Schmid, Robert A. Applonie, Keith S. Pickens | 2004-04-06 |
| 6320948 | Telephony security system | Craig Heilmann | 2001-11-20 |
| 6249575 | Telephony security system | Craig Heilmann | 2001-06-19 |
| 6226372 | Tightly integrated cooperative telecommunications firewall and scanner with distributed capabilities | Mark Collier, Doug Conyers, Chris Hamlett, Stephen Faustino | 2001-05-01 |