1
Josef Alexander Hartl, R Brooke Dunn, Michael C Halvorson, Mark A Litman: Alternative bonus games associated with slot machine. IGT, Bell Boyd & Lloyd, November 1, 2005: US06960134 (171 worldwide citation)

A method of playing a game on a gaming machine is performed by placing a wager on an underlying wagering game and playing the underlying wagering game according to the rules of the underlying game. When a predetermined event occurs in the underlying game, the player enters at least one bonus game. T ...


2
Josef Alexander Hartl, R Brooke Dunn, Michael C Halvorson, Mark A Litman: Gaming device having a puzzle function operable to indicate information related to a game event. IGT, K&L Gates, October 20, 2009: US07604539 (12 worldwide citation)

A method of playing a game on a gaming machine is performed by placing a wager on an underlying wagering game and playing the underlying wagering game according to the rules of the underlying game. When a predetermined event occurs in the underlying game, the player enters at least one bonus game. T ...


3
Josef Alexander Hartl, R Brooke Dunn, Michael C Halvorson, Mark A Litman: Gaming device having an indicator operable to indicate primary game outcomes and associated bonus game opportunities. IGT, K&L Gates, April 6, 2010: US07690983 (12 worldwide citation)

A method of playing a primary game on a gaming machine is performed by placing a wager on an underlying wagering primary game and playing the underlying wagering primary game according to the rules of the underlying primary game. When a predetermined event occurs in the underlying primary game, the ...


4
Josef Alexander Hartl, R Brooke Dunn, Michael C Halvorson, Mark A Litman: Alternative bonus game associated with slot machine. Shuffle Master, Shuffle Master, March 18, 2004: US20040053683-A1

A method of playing a game on a gaming machine is performed by placing a wager on an underlying wagering game and playing the underlying wagering game according to the rules of the underlying game. When a predetermined event occurs in the underlying game, the player enters at least one bonus game. T ...


5
Josef Alexander Hartl, R Brooke Dunn, Michael C Halvorson, Mark A Litman: Gaming device having an indicator operable to indicate primary game outcomes and associated bonus game opportunities. Bell Boyd & Lloyd, January 12, 2006: US20060009277-A1

A method of playing a primary game on a gaming machine is performed by placing a wager on an underlying wagering primary game and playing the underlying wagering primary game according to the rules of the underlying primary game. When a predetermined event occurs in the underlying primary game, the ...


6
Josef Alexander Hartl, R Brooke Dunn, Michael C Halvorson, Mark A Litman: Gaming device having a puzzle function operable to indicate information related to a game event. Bell Boyd & Lloyd, January 5, 2006: US20060003827-A1

A method of playing a game on a gaming machine is performed by placing a wager on an underlying wagering game and playing the underlying wagering game according to the rules of the underlying game. When a predetermined event occurs in the underlying game, the player enters at least one bonus game. T ...


7
Michael C Halvorson: Gaming system, gaming device and method for wagering game having a unique bonus round play. February 23, 2012: US20120046090-A1

A gaming system, a gaming machine and a method is provided in which the player plays a primary game or a base game on a gaming device. During the play of the primary game or the base game, the player accrues value points. At one or more times, a player participates in a bonus event. The player may a ...