US Patent 7469721 Thread protector for a pipe
Patent 7469721 was granted and assigned to Sumitomo Metal Industries on December, 2008 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
August 25, 2004
Date of Patent
December 30, 2008
Patent Application Number
10924843
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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