A central asset management system is provided having a central reference facility for coordination of all transaction processing. For each customer, a unique identifier (UID) is assigned as a stable, semi-permanent tag. The UID is then used for subsequent processing relating to that customer, even with...http://www.google.es/patents/US5940809?utm_source=gb-gplus-sharePatente US5940809 - Securities brokerage-asset management system
