Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6697472 | System and method therefor of preventing fraud on pay phone credit/debit calling card authorization | David Jordan | 2004-02-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6697472 | System and method therefor of preventing fraud on pay phone credit/debit calling card authorization | David Jordan | 2004-02-24 |