Thomas A. Dunn

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Edison, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and system for processing emergency service calls
- Patent number 5,898,757
- Issue date Apr 27, 1999
- AT&T Corp.
- Gerhard Buhler
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Fraud control system for processing calls with an automatic number...
- Patent number 5,822,413
- Issue date Oct 13, 1998
- AT&T Corp.
- Thomas A. Dunn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System for completing air-to-ground telephone calls
- Patent number 5,592,539
- Issue date Jan 7, 1997
- AT&T
- Brenda B. Amarant
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Audible logo for identifying a common carrier
- Patent number 5,056,134
- Issue date Oct 8, 1991
- AT&T Bell Laboratories
- Thomas M. Bauer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Audible logo for identifying a common carrier
- Patent number 4,930,154
- Issue date May 29, 1990
- AT&T Bell Laboratories
- Thomas M. Bauer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication services method and apparatus
- Patent number 4,776,004
- Issue date Oct 4, 1988
- American Telephone and Telegraph Company, AT&T Bell Laboratories
- Thomas M. Bauer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE