US Patent 7914409 Oil-free chain
Patent 7914409 was granted and assigned to Tsubakimoto Chain on March, 2011 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
April 14, 2008
Date of Patent
March 29, 2011
Patent Application Number
12102215
Patent Citations Received
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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