US Patent 7396421 Duplex stainless steel and manufacturing method thereof
Patent 7396421 was granted and assigned to Sumitomo Metal Industries on July, 2008 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
May 24, 2005
0
Date of Patent
July 8, 2008
0
Patent Application Number
11135448
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Patent Citations Received
Patent Inventor Names
Satoshi Matsumoto
0
Tomohiko Omura
0
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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