Methods, computer systems, and computer-readable media describe the computerized processing of invoices. Invoices having a balance larger or smaller than preselectable values are selected from a plurality of invoices presented to two or more customers. It is determined whether payments according to the...http://www.google.de/patents/US7778900?utm_source=gb-gplus-sharePatent US7778900 - Method and software application for computer-aided cash collection
