Patents by Inventor Robert G. McCausland

Robert G. McCausland 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).

  • Keypad for computer system
    Patent number: 5243331
    Abstract: A keypad for interacting with a computer system having a display screen. The keypad includes a substantially planar base surface. A numeric/control key cluster is positioned on a first half of said planar base surface. The numeric/control key cluster incudes a 10-digit numeric key set, a plurality of cursor movement keys, and a plurality of control keys. A screen select key cluster is positioned on a second half of said planar base surface. The screen select key cluster includes a plurality of control keys for controlling display of information on the display screen.
    Type: Grant
    Filed: December 18, 1992
    Date of Patent: September 7, 1993
    Assignee: Automated Market Systems, L.P.
    Inventors: Robert G. McCausland, Richard F. Kearns