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Robert L. Lindsay
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Phoenix, AZ, US
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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
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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
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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