Patents by Inventor Keith A. Combs

Keith A. Combs 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).

  • Interactive overlay-driven computer display system
    Patent number: 5250929
    Abstract: An interactive overlay-driven computer display system wherein the selective activation of a software "switch" by the operator each time the digitizer stylus is contiguous to the overlay, causes a visual image of the overlay (which normally has selectable menu items printed thereon) to be automatically displayed on the monitor screen.
    Type: Grant
    Filed: July 29, 1991
    Date of Patent: October 5, 1993
    Assignee: Conference Communications, Inc.
    Inventors: Clifford J. Hoffman, Keith A. Combs