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| Number | Title | Issue Date |
| 5621201 | Automated purchasing control system An automated purchasing control system which can be customized for a corporate customer. The system receives an authorization request over the phone lines from a remote point-of-sale terminal and processes the request using unique software. The software h... | 04/15/1997 |
| 5500513 | Automated purchasing control system An automated purchasing control system which can be customized for a corporate customer. The system receives an authorization request over the phone lines from a remote point-of-sale terminal and processes the request using unique software. The software h... | 03/19/1996 |
| 5477038 | Method and apparatus for distributing currency A process which provides electronic access to pre-paid funds for cash or payment for goods and services. A card is issued to a customer with a value selectable by the customer. The card has a magnetic stripe with an encoded card number including a bank id... | 12/19/1995 |
