Apparatus, systems and methods involving producing and distributing chance tickets, such as pull-tab tickets, scratch-off tickets, and folded tickets which have symbol sets used to determine whether the ticket has a winning symbol set or sets versus non-winning symbol set or sets. The chance tickets...http://www.google.es/patents/US6923445?utm_source=gb-gplus-sharePatente US6923445 - Gaming ticket sets having advertising by multiple advertisers with selectable variable advertiser exposure frequency
Gaming ticket sets having advertising by multiple advertisers with ...