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Chander S. Sehgal
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Naperville, IL, US
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last 30 patents
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Patent Grant
Electronic facsimile document transportation system utilizing local...
Patent number
6,618,165
Issue date
Sep 9, 2003
Lucent Technologies Inc.
Chander Sekhar Sehgal
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
Automation of telephone operator assistance calls
Patent number
5,163,083
Issue date
Nov 10, 1992
AT&T Bell Laboratories
Douglas C. Dowden
H04 - ELECTRIC COMMUNICATION TECHNIQUE