A method and apparatus for controlling a bonusing promotion system using a bonus server interconnected to a plurality of gaming devices is described. A percentage of a wager played on each gaming device is accumulated into a bonus pool stored on the bonus server. The bonus pool is compared to a threshold...http://www.google.es/patents/US6319125?utm_source=gb-gplus-sharePatente US6319125 - Method apparatus for promoting play on a network of gaming devices
Method apparatus for promoting play on a network of gaming devices