Raymond Heidel, Richard E Snider: Touch screen video gaming machine. Bally Gaming International, Jenner & Block, August 30, 1994: US05342047 (1016 worldwide citation)

In video lottery terminals that employ touch screens to permit a number of different games to be played on the same machine, the play of certain games can be improved by using electromechanical game buttons in conjunction with touch screen controls.

John R Koza, Norman T La Marre, Martin A Keane: Illusion of skill game machine for a gaming system. Bally Manufacturing Corporation, Jenner & Block, April 15, 1986: US04582324 (950 worldwide citation)

A video amusement game terminal for a gaming system for playing a game providing the illusion of skill. A game processor provides a video game presentation in response to player control wherein a prize award is disclosed through presentation of achievement by the player of a designated objective. Th ...

Scott Slomiany, William A Grupp: Dual-award bonus game for a gaming machine. WMS Gaming, Jenkens & Gilchrist, December 12, 2000: US06159098 (948 worldwide citation)

A bonus game for a gaming machine with two types of awards. The bonus game includes a plurality of selection elements, a number of which are associated with an award of coin(s) or credit(s) and a number of which are associated with an end-bonus penalty. The game is played by selecting a number of th ...

Peter D Dickinson: Gaming machine and method using touch screen. International Game Technology, Townsend and Townsend and Crew, September 14, 1999: US05951397 (947 worldwide citation)

An improved gaming machine having a touch screen applied to an outer face of a CRT display and a limited number of push-button actuators. Either the touch screen or the push-button actuators can be used for controlling play as well as selecting one of several games that can be played on the machine. ...

Richard Jay Schneider, Rex Carlson: Gaming apparatus and method including a player interactive bonus game. Casino Data Systems, Bernhard Kreten, July 18, 2000: US06089976 (913 worldwide citation)

A gaming apparatus and method including a primary game and a player interactive bonus game actuated by a qualifying outcome of the primary game and including a bonus award display showing a multiplicity of images displayed on a video monitor from which a player selects until achieving a pair of matc ...

Haruo Inoue: Slot machine having two distinct sets of reels. Eagle, Young & Thompson, March 3, 1998: US05722891 (872 worldwide citation)

A slot machine for playing games has a set of three normal reels, with symbols arranged on their peripheries. The normal reels are rotated in a normal game, and are stopped to determine a win, in accordance with a combination of symbols of the normal reels along a predetermined first winning line. A ...

Jay S Walker, James A Jorasch: Database driven online distributed tournament system. Walker Assest Management Parnership, Jeffrey L Brandt, Morgan & Finnegan, July 14, 1998: US05779549 (838 worldwide citation)

A method and a system for a distributed electronic tournament system in which many remotely located players participate in a tournament through input/output devices connected to a central controller which manages the tournament. The method includes the steps of (a) uniquely identifying a player comm ...

Robert Barrie: Gaming apparatus and method with persistence effect. Forever Endeavor Software, Sheridan Ross, November 10, 1998: US05833537 (835 worldwide citation)

An electronic gaming device and method is provided in which redefined events result in positioning symbols on a playing field which persist in their location and effect through two or more sequential rounds of a game. Preferably, the symbols can affect the amount of a pay out, although preferably th ...

Nicholas Luke Bennett: Indicia selection game. Aristocat Leisure Industires, Friedman Siegelbaum, January 18, 2000: US06015346 (823 worldwide citation)

A slot machine providing a video display screen controlled to display indicia images arranged in a matrix. The video screen is of the touch sensitive variety, having an array of touch sensitive areas located on its display surface with one such area associated with each matrix element. The player se ...

John Acres: Method apparatus for promoting play on a network of gaming devices. Acres Gaming Incorporated, Marger Johnson & McCollom PC, November 20, 2001: US06319125 (792 worldwide citation)

A method and apparatus for controlling a bonusing promotion system using a bonus server interconnected to a plurality of gaming devices is described. A percentage of a wager played on each gaming device is accumulated into a bonus pool stored on the bonus server. The bonus pool is compared to a thre ...