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Marc E. Leveque
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Sugar Land, TX, US
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Patents Grants
last 30 patents
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Patent Grant
Rotatable drill shoe
Patent number
7,275,605
Issue date
Oct 2, 2007
ConocoPhillips Company
Kenneth L. Smith
E21 - EARTH DRILLING MINING
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last 30 patents
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Patent Application
Rotatable drill shoe
Publication number
20050199426
Publication date
Sep 15, 2005
Kenneth L. Smith
E21 - EARTH DRILLING MINING