Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6871062 | “Calling party pays” cellular and prepaid platforms for cellular calling systems | David Wesley Trop | 2005-03-22 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6871062 | “Calling party pays” cellular and prepaid platforms for cellular calling systems | David Wesley Trop | 2005-03-22 |