Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4852081 | Echo suppressor with adaptive digital filter for transmission system | Odile Macchi | 1989-07-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4852081 | Echo suppressor with adaptive digital filter for transmission system | Odile Macchi | 1989-07-25 |