Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862449 | Adjustable echo canceller | Joannes H. P. M. Spaenjers, Eduard C. M. Boeykens, Henri A. J. Verhille, Gustaaf A. L. Geernaert | 1989-08-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862449 | Adjustable echo canceller | Joannes H. P. M. Spaenjers, Eduard C. M. Boeykens, Henri A. J. Verhille, Gustaaf A. L. Geernaert | 1989-08-29 |