Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8150013 | Telephony security system | David Buntin, Keith S. Pickens, Mark Collier | 2012-04-03 |
| 7231027 | Encapsulation, compression, and encryption of PCM data | Greg Schmid, Keith S. Pickens, Craig Heilmann | 2007-06-12 |
| 6879671 | Virtual private switched telecommunications network | Greg Schmid, Keith S. Pickens, Craig Heilmann | 2005-04-12 |
| 6700964 | Encapsulation, compression and encryption of PCM data | Greg Schmid, Keith S. Pickens, Craig Heilmann | 2004-03-02 |