Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8238534 | Credit card collect call system and method | Michael Link, Pepper Mulherin | 2012-08-07 |
| 7013002 | Credit card collect call system and method | Michael Link, Pepper Mulherin | 2006-03-14 |