Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6760420 | Telephony security system | Craig Heilmann, Mark Collier, Doug Conyers, David Buntin, Greg Schmid +4 more | 2004-07-06 |
| 6735291 | Virtual private switched telephone network | Greg Schmid, Craig Heilmann | 2004-05-11 |
| 6718024 | System and method to discriminate call content type | Craig Heilmann, Todd Beebe, David Buntin, Greg Schmid, Robert A. Applonie | 2004-04-06 |
| 6700964 | Encapsulation, compression and encryption of PCM data | Greg Schmid, Craig Heilmann, Kirk Smith | 2004-03-02 |
| 6687353 | System and method for bringing an in-line device on-line and assuming control of calls | Michael Brysch, Craig Heilmann, Robert R. Applonie | 2004-02-03 |