US Patent 7877215 Evaluation method for rolling bearing part
Patent 7877215 was granted and assigned to NTN Corporation on January, 2011 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
July 14, 2006
0
Date of Patent
January 25, 2011
0
Patent Application Number
11989755
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Patent Inventor Names
Yoshinobu Akamatsu
0
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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