Patents by Inventor Stephen B. Richter

Stephen B. Richter 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).

  • Method of playing a lottery game
    Patent number: 5186463
    Abstract: A method for playing a lotto type lottery game. The method comprises the following steps: selling a first plurality of lottery tickets for a lotto style lottery game in which prizes are paid out at both the jackpot and sub-jackpot levels; drawing a first winning combination; and selling a second plurality of tickets for a subsequent game such that said first plurality of lottery tickets may be reutilized for the jackpot prize level of a subsequent drawing.
    Type: Grant
    Filed: May 29, 1991
    Date of Patent: February 16, 1993
    Inventors: Thomas C. Marin, Scott J. Fields, Stephen B. Richter
  • Apparatus and method for generating number sets
    Patent number: 5157602
    Abstract: A device for generating winning lotto and keno combinations. The invention comprises means for inputting a number comporting to the total size of a lottery number pool; keypad means for inputting a minimum winning prize level; means in accordance with a prestored algorithm for generating a plurality of number combinations utilizing each number in said number pool, said number combinations guaranteeing a winning combination at said a minimum prize level; and means for outputting said number combinations.
    Type: Grant
    Filed: February 6, 1990
    Date of Patent: October 20, 1992
    Inventors: Scott J. Fields, Stephen B. Richter