A gaming system for playing a restricted-access progressive game comprises a database containing data, including a list of players having access to the restricted-access progressive game. The system includes a gaming terminal with a connection port for coupling the gaming terminal to the data-base. The...http://www.google.se/patents/US20070060319?utm_source=gb-gplus-sharePatent US20070060319 - Gaming network for use in a restricted-access progressive game