A slot machine is modified to identify subsets of related symbols in a randomly selected set of symbols. The symbols within the subset can then be directed to wheels or other movable visual displays in an order such that related symbols will appear first to a player. A deciding symbol will be indexed...http://www.google.fr/patents/US5934672?utm_source=gb-gplus-shareBrevet US5934672 - Slot machine and methods of operation
