Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6760420 | Telephony security system | Craig Heilmann, Mark Collier, Doug Conyers, Keith S. Pickens, David Buntin +4 more | 2004-07-06 |
| 6687353 | System and method for bringing an in-line device on-line and assuming control of calls | Michael Brysch, Craig Heilmann, Keith S. Pickens | 2004-02-03 |