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Timothy Scott Roberts
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Conroe, TX, US
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Patents Grants
last 30 patents
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Patent Grant
Method of manufacturing a matrix body drill bit
Patent number
7,694,608
Issue date
Apr 13, 2010
Smith International, Inc.
Brian D. Squier
E21 - EARTH DRILLING MINING
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last 30 patents
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Patent Application
Method of manufacturing a matrix body drill bit
Publication number
20070143086
Publication date
Jun 21, 2007
Smith International, Inc.
Timothy Scott Roberts
E21 - EARTH DRILLING MINING