Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8245939 | Investing funds from pre-paid payment accounts | William Call, Clayton Field Call | 2012-08-21 |
| 8100332 | Payments using pre-paid accounts | William Call | 2012-01-24 |
| 7600692 | Systems and methods for managing and using prepaid purchasing accounts | William Call | 2009-10-13 |
| 7478747 | Retail sales and dispensing fuel management system | William Call | 2009-01-20 |