A gaming device is provided including a set of symbols on a plurality of reels and a symbol stack that includes an initially displayed symbol and at least one initially hidden symbol. In one embodiment, the hidden symbols are stacked beneath the displayed symbol. The initially displayed symbol may be...http://www.google.es/patents/US20040023714?utm_source=gb-gplus-sharePatente US20040023714 - Gaming device having symbol stacks
Número de solicitud: 10/209,704 Número de publicación: US 2004/0023714 A1 Fecha de presentación: 31 Jul 2002 Patente emitida: US7252591 ( Fecha de emisión 7 Ago 2007)
