US Patent 7387444 Oil-impregnated sintered bearing
Patent 7387444 was granted and assigned to NTN Corporation on June, 2008 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
October 27, 2005
Date of Patent
June 17, 2008
Patent Application Number
11259357
Patent Inventor Names
Tomokazu Sonozaki
0
Seiji Shimizu
0
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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