Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6807262 | Central office control of receive and transmit handset volume | — | 2004-10-19 |
| 6788777 | Alternative treatment for AIN fault handling | David J. Zwick | 2004-09-07 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6807262 | Central office control of receive and transmit handset volume | — | 2004-10-19 |
| 6788777 | Alternative treatment for AIN fault handling | David J. Zwick | 2004-09-07 |