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Michael J. Kelly
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Melrose Park, IL, US
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Patents Grants
last 30 patents
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Patent Grant
Digital satellite telephone office
Patent number
4,417,335
Issue date
Nov 22, 1983
GTE Automatic Electric Labs Inc.
Michael J. Kelly
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Digital concentrator for use with a digital telephone office
Patent number
4,385,379
Issue date
May 24, 1983
GTE Automatic Electric Labs Inc.
Michael J. Kelly
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Conferencing arrangement for use in a PCM system
Patent number
4,022,991
Issue date
May 10, 1977
GTE Automatic Electric Laboratories Incorporated
Michael J. Kelly
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Time divided switching and concentration apparatus
Patent number
3,997,874
Issue date
Dec 14, 1976
GTE Automatic Electric Laboratories Incorporated
Michael J. Kelly
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Digital line synchronizer
Patent number
3,959,588
Issue date
May 25, 1976
GTE Automatic Electric Laboratories Incorporated
Michael J. Kelly
H04 - ELECTRIC COMMUNICATION TECHNIQUE