Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5668794 | Variable gain echo suppressor | Nariankadu D. Hemkumar | 1997-09-16 |
| 5631900 | Double-Talk detector for echo canceller | Nariankadu D. Hemkumar, Bheeshmar Redheendran | 1997-05-20 |