Patents by Inventor Kenneth L. Dulaney

Kenneth L. Dulaney 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).

  • Split screen keyboard emulator
    Patent number: 5031119
    Abstract: A system for providing keystroke data to an application program without utilizing a keyboard that simultaneously displays application program graphics and a keyboard representation on different segments of a screen. Keys are selected by touching the screen at the location of the graphic representation of the key on the screen. The system is transparent to the application program.
    Type: Grant
    Filed: June 12, 1989
    Date of Patent: July 9, 1991
    Assignee: Tandy Corporation
    Inventors: Kenneth L. Dulaney, Jeffrey C. Hawkins, Lindsay Sanford, James H. McNamara