Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6035033 | Method and apparatus for limiting residual echo in a speech signal-carrying channel or line | Erhard Waretzi | 2000-03-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6035033 | Method and apparatus for limiting residual echo in a speech signal-carrying channel or line | Erhard Waretzi | 2000-03-07 |