Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
David R. Hall0
Jeff Jepson0
Ronald Crockett0
Date of Patent
March 4, 2008
Patent Application Number
11464008
Date Filed
August 11, 2006
Patent Citations Received
Patent Primary Examiner
Patent abstract
In one aspect of the invention, a degradation assembly has an attack tool with a body and a shank, the body having a wear-resistant tip. The shank is disposed within a bore of a holder secured to a driving mechanism. The bore of the holder comprises an inner surface comprising a hardness greater than 58 HRc.
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