US Patent 7793816 Friction stir welding apparatus
Patent 7793816 was granted and assigned to Alcoa on September, 2010 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
September 7, 2007
Date of Patent
September 14, 2010
Patent Application Number
11852072
Patent Citations Received
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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