US Patent 7857878 Dust collection unit for vacuum cleaner
Patent 7857878 was granted and assigned to LG on December, 2010 by the United States Patent and Trademark Office.
Is a
Date Filed
October 27, 2005
Date of Patent
December 28, 2010
Patent Application Number
11258997
Patent Inventor Names
Tae Jin Park
0
Seong Yong Kim
0
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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