A hardware or software module is added to a gaming device. The module renders the gaming device capable of permitting play of the gaming device when a credit balance of the gaming device is insufficient, in which prior to such rendering, the gaming device was not capable of permitting play of the gaming...http://www.google.com/patents/US7874911?utm_source=gb-gplus-sharePatent US7874911 - Products and processes for providing a benefit according to a pattern in outcomes
