A multiple ticket lottery system in which a player engages in one or more pl ay actions on a first lottery ticket level in order to gain access to a second or higher ticket level in order to win a prize.
申请公布号
CA2529192(A1)
申请公布日期
2005.06.16
申请号
CA20042529192
申请日期
2004.12.01
申请人
OBERTHUR GAMING TECHNOLOGIES, INC.
发明人
GIASSON, MYRIAM;PARIS, MICHEL;MIRANDETTE, BENOIT;LACHARITE, DANIEL
