The invention is directed towards a method and apparatus for a portable gaming machine. The method activates several bingo games that are stored in the portable gaming machine. The activation makes the bingo games available to a bingo player for playing. The bingo player is presented with an option to...http://www.google.ca/patents/US20040204220?utm_source=gb-gplus-sharePatent US20040204220 - Methods and apparatus for a portable gaming machine
