Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6580782 | Interactive telephone response module | Earl L. Mannas | 2003-06-17 |
| 6564181 | Method and system for measurement of speech distortion from samples of telephonic voice signals | — | 2003-05-13 |
| 6556677 | Single-ended echo cancellation system and method | — | 2003-04-29 |
| 6553061 | Method and apparatus for detecting a waveform | — | 2003-04-22 |
| 6519323 | Test unit for use at a network interface device | Vaikunth N. Gupta | 2003-02-11 |