Richard N. Kennedy

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Naperville, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Call tones in communication networks
- Patent number 6,731,738
- Issue date May 4, 2004
- Sprint Communications Company, L.P.
- Chaoxin Charles Qiu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Continuity testing with call tone messaging in communication networks
- Patent number 6,728,362
- Issue date Apr 27, 2004
- Sprint Communications Company, L.P.
- Chaoxin Charles Qiu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for controlling a digital crossconnect system...
- Patent number 5,138,657
- Issue date Aug 11, 1992
- AT&T Bell Laboratories
- John R. Colton
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Methods, systems, and computer program products for providing prese...
- Publication number 20050266859
- Publication date Dec 1, 2005
- Tekelec
- Aziz A. Tejani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Methods and systems for delivering presence information regarding p...
- Publication number 20050202836
- Publication date Sep 15, 2005
- Tekelec
- Richard Edward Schaedler
- H04 - ELECTRIC COMMUNICATION TECHNIQUE