Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8150013 | Telephony security system | Keith S. Pickens, Mark Collier, Kirk Smith | 2012-04-03 |
| 7440558 | Telephony security system | Craig Heilmann, Mark Collier, Doug Conyers, Keith S. Pickens, Greg Schmid +4 more | 2008-10-21 |
| 7133511 | Telephony security system | Keith S. Pickens | 2006-11-07 |
| 6760420 | Telephony security system | Craig Heilmann, Mark Collier, Doug Conyers, Keith S. Pickens, Greg Schmid +4 more | 2004-07-06 |
| 6718024 | System and method to discriminate call content type | Craig Heilmann, Todd Beebe, Greg Schmid, Robert A. Applonie, Keith S. Pickens | 2004-04-06 |