In use, the player would insert his or her player card at the EGM (10). The system checks to see if any multiplier currently applies to the machine and player. The multiplier is available as a token and can communicate to the guest via display on the EGM (10). The multiplier would be displayed using...http://www.google.co.uk/patents/US8202156?utm_source=gb-gplus-sharePatent US8202156 - Method and apparatus for awarding individual or group point multiplication
