Douglas Shriver

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Manassas, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
System using a signaling protocol for controlling voice calls origi...
- Patent number 7,369,545
- Issue date May 6, 2008
- Cisco Technology, Inc.
- Andrew West
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communicating voice over a packet-switching network
- Patent number 7,212,522
- Issue date May 1, 2007
- Cisco Technology, Inc.
- Udaya Shankar
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communicating voice over a packet-switching network
- Patent number 6,768,733
- Issue date Jul 27, 2004
- Cisco Technology, Inc.
- Udaya Shankar
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signaling protocol for controlling voice calls in a packet switchin...
- Patent number 6,658,022
- Issue date Dec 2, 2003
- Cisco Technology, Inc.
- Andrew West
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communicating voice over a packet-switching network
- Patent number 6,570,869
- Issue date May 27, 2003
- Cisco Technology, Inc.
- Udaya Shankar
- H04 - ELECTRIC COMMUNICATION TECHNIQUE