I. Grace Tseng

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Middletown, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
System for processing calling party information for international c...
- Patent number 5,506,894
- Issue date Apr 9, 1996
- AT&T Corp.
- Karen S. Billings
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Network based outbound call management
- Patent number 5,463,685
- Issue date Oct 31, 1995
- AT&T IPM Corp.
- Barbara I. Gaechter
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System for processing calling party information for international c...
- Patent number 5,333,185
- Issue date Jul 26, 1994
- AT&T Bell Laboratories
- Karen B. Burke
- H04 - ELECTRIC COMMUNICATION TECHNIQUE