Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
April 5, 2011
Patent Application Number
12774906
Date Filed
May 6, 2010
Patent Primary Examiner
Patent abstract
A ruler has a body with a forward surface and a side surface defining a straight line. An elongate member having an abrasive outer edge is positioned along the side surface. The abrasive edge assists in sharpening a cutting tool moved along the edge.
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