A bonus scheme for a gaming device which involves multiple award levels for any game scenario having one or more events. Several award levels can be included in a single bonus round. Preferably, various game events are associated with various award levels for a variety of purposes. When an event occurs,...http://www.google.de/patents/US7503850?utm_source=gb-gplus-sharePatent US7503850 - Gaming device with bonus scheme having multiple award levels
