Patents Assigned to Robert T. Roth
  • Keypad and method for arranging keys of the keypad in a clockwise orientation
    Patent number: 6137426
    Abstract: A keypad and method for arranging keys on a keypad is accomplished by a keypad typically including numeric keys imprinted with or adjacent uniquely assigned numerals ranging from zero through nine. The keys are arranged in a continuous, typically ascending, sequence residing in two parallel rows arranged horizontally, vertically or diagonally in a clockwise orientation (i.e. traversal of all the keys of both rows in sequential order is in a clockwise direction).
    Type: Grant
    Filed: August 4, 1995
    Date of Patent: October 24, 2000
    Assignee: Robert T. Roth
    Inventor: Robert T. Roth