Darrell D. Roberts

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Flower Mound, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Voice over IP telephone recording architecture
- Patent number 8,537,984
- Issue date Sep 17, 2013
- TeleStrat International, Ltd.
- Kirk Barker
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for on-demand recording
- Patent number 7,499,530
- Issue date Mar 3, 2009
- Telstrat Int'l, Ltd
- Robert Carroll
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Voice over IP telephone recording architecture
- Patent number 7,054,420
- Issue date May 30, 2006
- TelStrat International, Ltd.
- Kirk Barker
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
VOICE OVER IP TELEPHONE RECORDING ARCHITECTURE
- Publication number 20110235786
- Publication date Sep 29, 2011
- TelStrat Int'l, Ltd
- Kirk Barker
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Voice over IP telephone recording architecture
- Publication number 20060233321
- Publication date Oct 19, 2006
- Telstrat, Int'l.
- Kirk Barker
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and method for on-demand recording
- Publication number 20050207542
- Publication date Sep 22, 2005
- Telstrat International, Ltd.
- Robert J. Carroll
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Voice over IP telephone recording architecture
- Publication number 20040047451
- Publication date Mar 11, 2004
- Telstrat International, Ltd.
- Kirk Barker
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and method for on-demand recording
- Publication number 20020172332
- Publication date Nov 21, 2002
- Telstrat International, Ltd.
- Robert J. Carroll
- H04 - ELECTRIC COMMUNICATION TECHNIQUE