05456465 is referenced by 476 patents and cites 4 patents.

A method is disclosed for operating a microprocessor based reel-type slot machine. The payoff is randomly determined before any symbols are displayed. Two or more multiplier factors are randomly selected from separate predetermined groups. The factors are multiplied together to calculate the payoff. For each payoff, there are a predetermined number of symbol combinations corresponding thereto. One of the corresponding symbol combinations is randomly selected and displayed on the pay line. Zero payoffs are indicated by displaying a randomly selected losing combination.

Title
Method for determining payoffs in reel-type slot machines
Application Number
8/246791
Publication Number
5456465
Application Date
May 20, 1994
Publication Date
October 10, 1995
Inventor
Timothy J Durham
Oak Park
IL, US
Agent
Rockey Rifkin and Ryther
Assignee
WMS Gaming
IL, US
IPC
G07F 17/34
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