Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7110512 | Method and apparatus for providing prepaid local telephone services | Samuel George Maropis, John Wesley Moss, David D. Brezinski | 2006-09-19 |
| 7092501 | Method and apparatus for providing prepaid local telephone services | Samuel George Maropis, John Wesley Moss, David D. Brezinski | 2006-08-15 |