发明名称 METHOD FOR CONDUCTING A LOTTERY
摘要 <p>A method for conducting a lottery that offers players who lose the opportunity to use their losing lottery tickets to enter one or more additional lotteries, a replay program.</p>
申请公布号 WO2008073346(A2) 申请公布日期 2008.06.19
申请号 WO2007US25170 申请日期 2007.12.07
申请人 GRIFFIN YORK AND KRAUSE;GRIFFIN, PATRICK;YORK, TRAVIS 发明人 GRIFFIN, PATRICK;YORK, TRAVIS
分类号 A63F3/06 主分类号 A63F3/06
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