Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
November 24, 2009
Patent Application Number
10475393
Date Filed
March 25, 2002
Patent Citations Received
Patent Primary Examiner
Patent abstract
There is provided a method for metering a quantity of a particulate material onto the surface of a porous retainer comprising the steps of: exposing a first surface of a porous retainer to a pool of particulate material; applying a vacuum to a second surface of the porous retainer to meter material on the first surface; and adjusting the level of the vacuum to regulate the quantity of material metered on the retainer.
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