Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Geoffrey Norman Walter Gay0
George Griffiths0
Date of Patent
February 2, 2010
0Patent Application Number
115788190
Date Filed
April 21, 2005
0Patent Citations Received
Patent Primary Examiner
Patent abstract
Air cleaning device has a particle charging zone comprising a conducting sheet having a plurality of apertures, through which air can be passed, and a plurality of corona emitters each associated with an aperture, and a filter.
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