US Patent 8806668 Cleaner structure for toilet tank
Patent 8806668 was granted and assigned to Tamkang University on August, 2014 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
June 30, 2011
Date of Patent
August 19, 2014
Patent Application Number
13173318
Patent Citations Received
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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