Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Edward J. Woo0
Thomas W. Rambosek0
Curtis J. Schmidt0
Date of Patent
November 18, 2008
0Patent Application Number
116144310
Date Filed
December 21, 2006
0Patent Primary Examiner
Patent abstract
An abrasive article with an integral dust collection system. The abrasive article comprises a porous abrasive layer with openings, a first filter media with channels, a second filter media, a third filter media with channels, a fourth filter media, and an optional attachment layer. The openings of the porous abrasive layer cooperate with the channels to allow the flow of particles from the abrasive surface to the filter media.
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