06960134 is referenced by 171 patents and cites 218 patents.

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. The bonus game may have at least one event where a) an animated event proceeds to a conclusion and an original bonus that increments or decrements with the proceeding of that animated event, and b) using a sequential set of displays to determine a number of spins to be used in a bonus round and to determine a multiplication factor to be used in spins to be used in the bonus round.

Title
Alternative bonus games associated with slot machine
Application Number
10/244054
Publication Number
6960134 (B2)
Application Date
September 12, 2002
Publication Date
November 1, 2005
Inventor
Mark A Litman
Edina
MN, US
Michael C Halvorson
Las Vegas
NV, US
R Brooke Dunn
Henderson
NV, US
Josef Alexander Hartl
Henderson
NV, US
Agent
Bell Boyd & Lloyd
Assignee
IGT
NV, US
IPC
A63F 009/24
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