US Patent 7905967 Method of manufacturing martensitic stainless steel
Patent 7905967 was granted and assigned to Sumitomo Metal Industries on March, 2011 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
September 28, 2007
Date of Patent
March 15, 2011
Patent Application Number
11905191
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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