Patents Assigned to Chief Technology Systems, Inc.
  • Patent number: 4696210
    Abstract: An apparatus for producing registration holes in a sheet-like workpiece that is provided with registration marks.
    Type: Grant
    Filed: June 30, 1986
    Date of Patent: September 29, 1987
    Assignee: Chief Technology Systems, Inc.
    Inventors: Charles E. Cain, Gary L. Cain