Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7953218 | System and method for enhanced origination services for toll free telephone calls | Enrique Sanchez | 2011-05-31 |
| 7242759 | System and method for enhanced origination services for toll free telephone calls | Enrique Sanchez | 2007-07-10 |