An electronic billing system provides a set of tools for a biller to create and design a customized billing statement. The system includes a statement designer that enables the biller to create a template for the billing statement. Once the statement is designed, the biller provides the statement format...http://www.google.de/patents/US6304857?utm_source=gb-gplus-sharePatent US6304857 - Distributed electronic billing system with gateway interfacing biller and service center
