06921335 is referenced by 194 patents and cites 34 patents.

A gaming device which includes symbols having a transformation probability. The gaming device in one embodiment includes an activator symbol. When the activator symbol is displayed, a processor of the gaming device determines the transformation probability of each of the displayed symbols and randomly determines which, if any, symbols are to be transformed into wild symbols or other functional symbols based on the transformation probability of the symbols.

Title
Gaming device having symbols with transformation probabilities
Application Number
10/255880
Publication Number
6921335 (B2)
Application Date
September 26, 2002
Publication Date
July 26, 2005
Inventor
Shawn Van Asdale
Reno
NV, US
Joseph E Kaminkow
Reno
NV, US
Paulina Rodgers
Reno
NV, US
Agent
Bell Boyd & Lloyd
Assignee
IGT
NV, US
IPC
G07F 017/34
G07F 017/34
A63F 013/00
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