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Emerson Marcellus
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Houston, TX, US
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last 30 patents
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Patent Grant
Wellbore directional steering tool
Patent number
6,808,027
Issue date
Oct 26, 2004
RST (BVI), Inc.
Stephen John McLoughlin
E21 - EARTH DRILLING MINING
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last 30 patents
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Patent Application
Wellbore directional steering tool
Publication number
20020185315
Publication date
Dec 12, 2002
Stephen John McLoughlin
E21 - EARTH DRILLING MINING