1
David Resch, Gregory Nanus: Apparatus for controlling a reeled chance based amusement device. Concorde Manufacturing Company, November 10, 1981: US04299388 (36 worldwide citation)

Apparatus for controlling a gaming device including a plurality of rotatable reels provided with indicia has an input circuit associated with the reels for detecting reel positions at every instant in time. A computing circuit is connected to the input circuit for receiving reel position signals and ...


2
Kenneth J Hancherick: Amusement device. Concorde Manufacturing Company, February 10, 1981: US04249737 (9 worldwide citation)

The disclosure refers generally to amusement devices of the rotating wheel type which employ a plurality of rotatable wheels having indicia thereon which are rotated by the player and are arrested at random. When certain random combinations of indicia are aligned after the wheels are arrested, a win ...