US Patent D657510 Vacuum cleaner bag flange
Is a
Date Filed
August 12, 2011
Date of Patent
April 10, 2012
Patent Application Number
29399353
Patent Inventor Names
William Reimer
0
Donald J. Davidshofer
0
Sok-Min Chang
0
Brian Wang Sun
0
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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