James P. Quan

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Colorado Springs, CO, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of switching between multiple call signaling protocol stacks...
- Patent number 7,519,002
- Issue date Apr 14, 2009
- Agilent Technologies, Inc.
- James P. Quan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods and devices for correlating audio sample comparisons and ne...
- Patent number 7,408,884
- Issue date Aug 5, 2008
- Agilent Technologies, Inc.
- Samuel M. Bauer
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Method and apparatus for a packet-switched network communications m...
- Patent number 4,775,973
- Issue date Oct 4, 1988
- Hewlett-Packard Company
- Jeffrey Tomberlin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Methods and devices for correlating audio sample comparisons and ne...
- Publication number 20050261895
- Publication date Nov 24, 2005
- Samuel M. Bauer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Systems and methods for voice quality testing in a packet-switched...
- Publication number 20040193974
- Publication date Sep 30, 2004
- James P. Quan
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Method of switching between multiple call signaling protocol stacks...
- Publication number 20040037228
- Publication date Feb 26, 2004
- James P. Quan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE