Patents by Inventor R. Lamar Griggs

R. Lamar Griggs has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method and apparatus for automated drilling hole patterns in elongated workpieces
    Patent number: 5181808
    Abstract: A computerized apparatus and method for drilling holes in elongated workpieces. Predetermined locations for holes are input into a computer by visually aligning hole locations on a template with the drilling axis of the apparatus. The computer controls movement of the drill and of the ring segment relative to the drill. The workpiece is moved relative to the drill and is stopped at each predetermined location for drilling.
    Type: Grant
    Filed: September 18, 1991
    Date of Patent: January 26, 1993
    Assignee: Lockheed Corporation
    Inventors: R. Lamar Griggs, Norman E. Hatton