Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887257 | Echo cancelling device for data transmission over two-wire lines | Jacques Belloc, Dominique Godard, Michel Quintin | 1989-12-12 |
| 4887258 | Echo cancelling device with phase-roll correction | Jacques Belloc, Dominique Godard, Michel Quintin | 1989-12-12 |