Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5361297 | Method and apparatus for providing answer supervision and an autonomous pay telephone incorporating the same | Luis R. Ortiz, Angel Encarnacion | 1994-11-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5361297 | Method and apparatus for providing answer supervision and an autonomous pay telephone incorporating the same | Luis R. Ortiz, Angel Encarnacion | 1994-11-01 |