Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
David R. Hall0
Jeff Jepson0
Ronald Crockett0
Date of Patent
January 22, 2008
0Patent Application Number
114639900
Date Filed
August 11, 2006
0Patent Citations Received
Patent Primary Examiner
Patent abstract
In one aspect of the invention, an attack tool is disclosed which comprises a wear-resistant base suitable for attachment to a driving mechanism. The wear-resistant base has a shank and a metal segment. A cemented metal carbide segment is bonded to the metal segment and the shank has a wear-resistant surface. The wear-resistant surface has a hardness greater than 60 HRc.
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