Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7991135 | Methods, systems and computer products for always-on dialtone incentive to purchase wireline telephone services | Gonzalo Salazar | 2011-08-02 |
| 7903640 | System and method for voice over internet protocol using a standard telephone system | John Ruckart | 2011-03-08 |