Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6816578 | Efficient instant messaging using a telephony interface | Thomas J. Kredo, Margaret Avino | 2004-11-09 |
| 6798772 | Method for public access to private phone numbers and other telephonic peripherals using a caller access code | Stephen Knight, Thomas J. Kredo, George Hillenbrand | 2004-09-28 |