Patents by Inventor Robert Dean Day

Robert Dean Day 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).

  • Smart tool holder
    Patent number: 5802937
    Abstract: There is provided an apparatus for machining surfaces to accuracies within the nanometer range by use of electrical current flow through the contact of the cutting tool with the workpiece as a feedback signal to control depth of cut.
    Type: Grant
    Filed: July 26, 1995
    Date of Patent: September 8, 1998
    Assignee: The Regents of The University of Calif.
    Inventors: Robert Dean Day, Larry R. Foreman, Douglas J. Hatch, Mark S. Meadows