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Jeffry S. Edwards
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Houston, TX, US
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Patents Grants
last 30 patents
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Patent Grant
Multi-positioned sliding sleeve valve
Patent number
6,722,439
Issue date
Apr 20, 2004
Baker Hughes Incorporated
Thomas W. Garay
E21 - EARTH DRILLING MINING
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Patent Grant
Motor drive actuator for downhole flow control devices
Patent number
6,041,857
Issue date
Mar 28, 2000
Baker Hughes Incorporated
Michael A. Carmody
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
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Patent Application
Multi-positioned sliding sleeve valve
Publication number
20030183392
Publication date
Oct 2, 2003
Thomas W. Garay
E21 - EARTH DRILLING MINING