Disclosed herein are apparatus, systems and methods for a gaming device operable to support a negative credit balance. For example, in some embodiments, a gaming device may be configured to: (i) determine a current credit balance, (ii) determine a wager amount, (iii) determine whether the wager amount...http://www.google.fr/patents/US20070087818?utm_source=gb-gplus-shareBrevet US20070087818 - APPARATUS, SYSTEMS AND METHODS FOR FACILITATING A NEGATIVE CREDIT BALANCE OF A GAMING DEVICE
APPARATUS, SYSTEMS AND METHODS FOR FACILITATING A NEGATIVE CREDIT BALANCE OF ...