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Henry Phan
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Houston, TX, US
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last 30 patents
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Patent Grant
Contraction joint system
Patent number
9,382,764
Issue date
Jul 5, 2016
Schlumberger Technology Corporation
Henry Phan
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
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Patent Application
CONTRACTION JOINT SYSTEM
Publication number
20130199799
Publication date
Aug 8, 2013
SCHLUMBERGER TECHNOLOGY CORPORATION
Henry Phan
E21 - EARTH DRILLING MINING