Patents Represented by Attorney Tyson J. Wilke

Find this attorney in the Justia Lawyer Directory

  • Washer for a degradation assembly
    Patent number: 7413256
    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. A washer is positioned in-between the attack tool and the holder and fitted around the shank of the attack tool, wherein an outer edge of the washer has a hardness greater than 58 HRc.
    Type: Grant
    Filed: August 11, 2006
    Date of Patent: August 19, 2008
    Inventors: David R. Hall, Ronald Crockett, Jeff Jepson