US Patent 7547340 Dust collecting unit of vacuum cleaner
Patent 7547340 was granted and assigned to LG on June, 2009 by the United States Patent and Trademark Office.
Is a
Date Filed
December 9, 2005
Date of Patent
June 16, 2009
Patent Application Number
11297423
Patent Citations Received
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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