Patents Assigned to KENNAMTETAL INC.
  • PVD-coated cutting tools and method for making the same
    Patent number: 9650713
    Abstract: A coated cutting insert includes a substrate that is either a ceramic substrate or polycrystalline cubic boron nitride-containing substrate and has a substrate surface.
    Type: Grant
    Filed: March 12, 2015
    Date of Patent: May 16, 2017
    Assignee: KENNAMTETAL INC.
    Inventors: Vineet Kumar, Ronald M. Penich, Peter R. Leicht, Mark S. Greenfield, Yixiong Liu