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Charles Shiao-Hsiung Yeh
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Spring, TX, US
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Patents Grants
last 30 patents
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Patent Grant
Coated sleeved oil and gas well production devices
Patent number
8,286,715
Issue date
Oct 16, 2012
ExxonMobil Research and Engineering Company
Jeffrey Roberts Bailey
E21 - EARTH DRILLING MINING
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Patent Grant
Coated oil and gas well production devices
Patent number
8,261,841
Issue date
Sep 11, 2012
ExxonMobil Research and Engineering Company
Jeffrey Roberts Bailey
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
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Patent Application
Coated sleeved oil and gas well production devices
Publication number
20110042069
Publication date
Feb 24, 2011
Jeffrey Roberts Bailey
E21 - EARTH DRILLING MINING
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Patent Application
Coated oil and gas well production devices
Publication number
20100206553
Publication date
Aug 19, 2010
Jeffrey Roberts Bailey
E21 - EARTH DRILLING MINING