Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7653571 | System and method for generating price-per-gallon discounts for fuel | William Y. Hall, Karla J. Mains, Charles H. Naul | 2010-01-26 |
| 6741968 | Method for processing information through a clearinghouse | William Y. Hall, Karla J. Mains, Charles H. Naul | 2004-05-25 |