Patents Assigned to JHJ Enterprises
  • Patent number: 4615119
    Abstract: A blade for a vibratory cutter having a plurality of serrated teeth. A plurality of first teeth provided on one side of the center line of the blade are angled in one direction, and a plurality of second teeth provided on the second side of the center line are equally angled to the first set of teeth in the opposite direction. When used in conjunction with a vibratory tool, the blade will sever material in two directions parallel to the surface endeavored to be cut.
    Type: Grant
    Filed: April 26, 1984
    Date of Patent: October 7, 1986
    Assignee: JHJ Enterprises
    Inventors: David S. Johnson, Everett L. Haas