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Clarence Vaughn Griffin III
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Castleton, GB
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last 30 patents
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Patent Grant
Remote actuation of downhole tools using vibration
Patent number
6,624,759
Issue date
Sep 23, 2003
Baker Hughes Incorporated
Paulo S. Tubel
E21 - EARTH DRILLING MINING
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Patent Grant
One-trip window-milling method
Patent number
5,947,201
Issue date
Sep 7, 1999
Baker Hughes Incorporated
Robert C. Ross
E21 - EARTH DRILLING MINING
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last 30 patents
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Patent Application
Remote actuation of downhole tools using vibration
Publication number
20020057211
Publication date
May 16, 2002
Paulo S. Tubel
E21 - EARTH DRILLING MINING