Patents Assigned to Liberty Research Company, Inc.
  • Method and apparatus for machining a workpiece
    Patent number: 6049965
    Abstract: A multi-head machine tool for machining a workpiece into an article has a head that holds a workpiece and that rotates the workpiece. A multi-head tool attachment is capable of machining a plurality of working sites on the workpiece during rotation of the workpiece simultaneously.
    Type: Grant
    Filed: July 31, 1997
    Date of Patent: April 18, 2000
    Assignee: Liberty Research Company, Inc.
    Inventor: Derrick Perkins, Jr.