The present invention involves a gaming device with a bonus scheme which includes a symbol generator and a plurality of symbols. When two or more predetermined symbols are generated and displayed, the bonus round terminates. Depending upon which symbols the gaming device generates and displays, the bonus...http://www.google.com/patents/US6632139?utm_source=gb-gplus-sharePatent US6632139 - Gaming device having a bonus scheme with symbol generator and symbol terminating condition