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Robert Petrelli
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East Brunswick, NJ, US
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last 30 patents
Information
Patent Grant
Personalized information service system
Patent number
5,694,459
Issue date
Dec 2, 1997
AT&T
Marjorie Susan Backaus
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for switching telephone calls to information service providers
Patent number
5,459,779
Issue date
Oct 17, 1995
AT&T IPM Corp.
Marjorie S. Backaus
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Telephone information service system using digital and out-of-band...
Patent number
5,444,713
Issue date
Aug 22, 1995
AT&T Corp.
Marjorie S. Backaus
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Automation of telephone operator assistance calls
Patent number
5,185,781
Issue date
Feb 9, 1993
AT&T Bell Laboratories
Douglas C. Dowden
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Automation of telephone operator assistance calls
Patent number
5,181,237
Issue date
Jan 19, 1993
AT&T Bell Laboratories
Douglas C. Dowden
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
More efficient call handling for operator assistance calls
Patent number
4,899,375
Issue date
Feb 6, 1990
American Telephone and Telegraph Company, AT&T Bell Laboratories
Thomas M. Bauer
H04 - ELECTRIC COMMUNICATION TECHNIQUE