US Patent 7958715 Chain with identification apparatus
Patent 7958715 was granted and assigned to National Oilwell Varco on June, 2011 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
December 20, 2008
0
Date of Patent
June 14, 2011
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Patent Application Number
12317246
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Patent Inventor Names
Manfred Worms
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Leon Ellison
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Reinhold Kammann
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Nathan Kinert
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Clive Lam
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Guy L. McClung, III
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Patent Jurisdiction
Patent Number
Patent Primary Examiner
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