Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6819744 | System and circuitry for measuring echoes on subscriber loops | Thomas Banwell | 2004-11-16 |
| 6724859 | Method for determining subscriber loop make-up by subtracting calculated signals | — | 2004-04-20 |