Pickens; Keith S.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Pickens; Keith S..The latest application filed is for "telephony security system".
- Pickens; Keith S. - San Antonio TX
| Patent | Date |
|---|---|
| Radiation-tolerant high-speed high-voltage pulser Grant 9,461,642 - Pickens , et al. October 4, 2 | 2016-10-04 |
| Telephony security system Grant 8,150,013 - Buntin , et al. April 3, 2 | 2012-04-03 |
| Telephony security system Grant 7,440,558 - Heilmann , et al. October 21, 2 | 2008-10-21 |
| Encapsulation, compression, and encryption of PCM data Grant 7,231,027 - Schmid , et al. June 12, 2 | 2007-06-12 |
| Telephony security system App 20070127448 - Buntin; David L. ; et al. | 2007-06-07 |
| Telephony security system Grant 7,133,511 - Buntin , et al. November 7, 2 | 2006-11-07 |
| Virtual private switched telecommunications network Grant 6,879,671 - Schmid , et al. April 12, 2 | 2005-04-12 |
| Virtual Private Switched Telecommunications Network App 20050047570 - Schmid, Greg ; et al. | 2005-03-03 |
| Virtual private switched telecommunications network App 20050025302 - Schmid, Greg ; et al. | 2005-02-03 |
| Telephony security system App 20040234056 - Heilmann, Craig ; et al. | 2004-11-25 |
| Encapsulation, compression, and encryption of PCM data App 20040218742 - Schmid, Greg ; et al. | 2004-11-04 |
| Telephony security system App 20040161086 - Buntin, David L. ; et al. | 2004-08-19 |
| Telephony security system Grant 6,760,420 - Heilmann , et al. July 6, 2 | 2004-07-06 |
| Virtual private switched telephone network Grant 6,735,291 - Schmid , et al. May 11, 2 | 2004-05-11 |
| System and method to discriminate call content type Grant 6,718,024 - Heilmann , et al. April 6, 2 | 2004-04-06 |
| Encapsulation, compression and encryption of PCM data Grant 6,700,964 - Schmid , et al. March 2, 2 | 2004-03-02 |
| System and method for bringing an in-line device on-line and assuming control of calls Grant 6,687,353 - Brysch , et al. February 3, 2 | 2004-02-03 |
| Encapsulation, compression and encryption of PCM data App 20030016803 - Schmid, Greg ; et al. | 2003-01-23 |
| Telephony security system App 20020021791 - Heilmann, Craig ; et al. | 2002-02-21 |
| Thermal transient test system Grant H1,793 - Peterson , et al. April 6, 1 | 1999-04-06 |
| Automated design and manufacture of artificial limbs Grant 5,539,649 - Walsh , et al. July 23, 1 | 1996-07-23 |
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