US Patent 7980978 Hoisting and lowering driving engagement multi-row chain
Patent 7980978 was granted and assigned to Tsubakimoto Chain on July, 2011 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
October 29, 2008
Date of Patent
July 19, 2011
Patent Application Number
12290377
Patent Citations Received
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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