1
Erick T Ching, Jasonlee Kissee Hohman: Gaming device having a probability enhancing trigger symbol. IGT, Bell Boyd & Lloyd, June 6, 2006: US07056213 (174 worldwide citation)

A gaming device including a award mode in a primary game that increases the probability of obtaining an award in the primary game. The gaming device includes a plurality of reels having several symbols where the symbols include award symbols, at least one trigger symbol and at least one wild symbol. ...


2
Ryan W Cuddy, Erick T Ching, Jasonlee Kissee Hohman: Gaming device having a probability-enhancing trigger symbol. IGT, Bell Boyd & Lloyd, July 11, 2006: US07074127 (166 worldwide citation)

A gaming device including a re-initiation mode wherein the probability of extending the bonus game is increased by fixing the reel or reels displaying a wild symbol on the reel. In the re-initiation mode embodiment, the gaming device re-activates some or all of the reels except the reel displaying t ...


3
Paulina Rodgers, Erick T Ching, Jasonlee Kissee Hohman: Gaming device including a game having a wild symbol related award. IGT, Bell Boyd & Lloyd, August 15, 2006: US07090580 (144 worldwide citation)

A gaming device including a plurality of reels having several symbols with at least one wild symbol. In one embodiment, the gaming device spins the reels for at one spin. If a wild symbol is indicated on a payline associated with the reels and no winning symbol combinations are indicated on the payl ...


4
Paulina Rodgers, Erick T Ching, Jasonlee Kissee Hohman: Gaming device including a game having a wild symbol related award. IGT, Bell Boyd & Lloyd, February 19, 2008: US07331862 (85 worldwide citation)

A gaming device including a plurality of reels having several symbols with at least one wild symbol. In one embodiment, the gaming device spins the reels for at one spin. If a wild symbol is indicated on a payline associated with the reels and no winning symbol combinations are indicated on the payl ...


5
Paulina Rodgers, Erick T Ching, Jasonlee Kissee Hohman: Gaming device including a game having a wild symbol related award. IGT, Bell Boyd & Lloyd, February 19, 2008: US07331866 (78 worldwide citation)

A gaming device including a plurality of reels having several symbols with at least one wild symbol. In one embodiment, the gaming device spins the reels for at one spin. If a wild symbol is indicated on a payline associated with the reels and no winning symbol combinations are indicated on the payl ...


6
Ryan W Cuddy, Erick T Ching, Jasonlee Kissee Hohman: Gaming device having a probability-enhancing trigger symbol. IGT, K&L Gates, August 30, 2011: US08007357 (30 worldwide citation)

A gaming device including a re-initiation mode wherein the probability of extending the bonus game is increased by fixing the reel or reels displaying a wild symbol on the reel. In the re-initiation mode embodiment, the gaming device re-activates some or all of the reels except the reel displaying t ...


7
Erick T Ching, Jasonlee Kissee Hohman: Gaming device having a probability enhancing trigger symbol. IGT, K&L Gates, August 17, 2010: US07775874 (21 worldwide citation)

A gaming device including a award mode in a primary game that increases the probability of obtaining an award in the primary game. The gaming device includes a plurality of reels having several symbols where the symbols include award symbols, at least one trigger symbol and at least one wild symbol. ...


8
Paulina Rodgers, Erick T Ching, Jasonlee Kissee Hohman: Gaming device including a game having a wild symbol related award. IGT, K&L Gates, December 28, 2010: US07857695 (20 worldwide citation)

A gaming device including a plurality of reels having several symbols with at least one wild symbol. In one embodiment, the gaming device spins the reels for at one spin. If a wild symbol is indicated on a payline associated with the reels and no winning symbol combinations are indicated on the payl ...


9
Erick T Ching, Jasonlee Kissee Hohman: Gaming device having a probability enhancing trigger symbol. IGT, K&L Gates, April 6, 2010: US07690986 (12 worldwide citation)

A gaming device including a award mode in a primary game that increases the probability of obtaining an award in the primary game. The gaming device includes a plurality of reels having several symbols where the symbols include award symbols, at least one trigger symbol and at least one wild symbol. ...


10
Karen M Cregan, Anthony J Baerlocher, Ryan W Cuddy, Erick T Ching, Jasonlee Kissee Hohman: Gaming device and method having free activation mode and free activation mode with free activation retrigger. IGT, K&L Gates, March 23, 2010: US07682246 (11 worldwide citation)

A gaming device including a free activation mode having a predetermined number of free activations wherein the probability of extending the free activation mode is increased by a triggering event which triggers an unlimited number of free activations. A termination event terminates the unlimited fee ...