Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7806316 | Transaction system for video matching | Héctor Vargas, Luis Guillermo Ramirez-Diaz | 2010-10-05 |
| 5361297 | Method and apparatus for providing answer supervision and an autonomous pay telephone incorporating the same | Luis R. Ortiz, Angel Encarnacion | 1994-11-01 |
| 5134651 | Method and apparatus for providing answer supervision and an autonomous pay telephone incorporating the same | Luis R. Ortiz, Angel Encarnacion | 1992-07-28 |