Andrew West

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Leesburg, VA, US

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Patents Grantslast 30 patents

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
Advanced voice communication feature transparency in a telecommunic...
- Patent number 7,113,504
- Issue date Sep 26, 2006
- Cisco Technology, Inc.
- Lev Volftsun
- 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
Feature transparency in a telecommunications network
- Patent number 6,650,632
- Issue date Nov 18, 2003
- Cisco Technology, Inc.
- Lev Volftsun
- 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