Patents by Inventor Robert Douglas McPheters

Robert Douglas McPheters 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).

  • Patent number: 6377238
    Abstract: Operator input into one or more devices to be controlled by the operator is provided through a holographic image of the keys or other input devices customarily actuated to provide input data to the system wherein actuation of the holographic image of the input devices is detected optically without tangible physical contact by the operator with a solid control object or control surface.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: April 23, 2002
    Inventor: Robert Douglas McPheters