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Tod Higman
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Littleton, CO, US
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last 30 patents
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Patent Grant
Transparent PSTN failover
Patent number
9,866,429
Issue date
Jan 9, 2018
CenturyLink Intellectual Property LLC
Charles A. Palmer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Transparent PSTN failover
Patent number
9,264,299
Issue date
Feb 16, 2016
CenturyLink Intellectual Property LLC
Charles A. Palmer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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last 30 patents
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Patent Application
Transparent PSTN Failover
Publication number
20160119179
Publication date
Apr 28, 2016
Charles A. Palmer
H04 - ELECTRIC COMMUNICATION TECHNIQUE