A debit card system for implementing an incentive award program for a customer having participants. A plurality of debit cards, each assigned to one participant and having a unique account number corresponding to an award account of the participant is part of the system. A bank filter processor...http://www.google.com/patents/US5689100?utm_source=gb-gplus-sharePatent US5689100 - Debit card system and method for implementing incentive award program
