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Le Plessis Robinson, FR
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last 30 patents
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Patent Grant
Coring Apparatus and methods to use the same
Patent number
10,301,937
Issue date
May 28, 2019
Schlumberger Technology Corporation
Steven E. Buchanan
E21 - EARTH DRILLING MINING
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Patent Grant
Coring apparatus and methods to use the same
Patent number
9,447,683
Issue date
Sep 20, 2016
Schlumberger Technology Corporation
Steven E. Buchanan
E21 - EARTH DRILLING MINING
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last 30 patents
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Patent Application
Coring Apparatus And Methods To Use The Same
Publication number
20170002654
Publication date
Jan 5, 2017
SCHLUMBERGER TECHNOLOGY CORPORATION
Steven E. Buchanan
E21 - EARTH DRILLING MINING
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Patent Application
Coring Apparatus And Methods To Use The Same
Publication number
20140291034
Publication date
Oct 2, 2014
Steven E. Buchanan
E21 - EARTH DRILLING MINING