Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
May 27, 2008
Patent Application Number
11186122
Date Filed
October 3, 2005
Patent Citations Received
Patent Primary Examiner
Patent abstract
A grinding or polishing machine or device having a grinding or polishing disc for grinding or polishing a work piece for the condition of the work piece placed against the lower surface of the grinding or polishing disc. The grinding or polishing disc has a plurality of slots extending therethrough to allow visual inspection of the work piece during the grinding or polishing operation.
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