Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4414434 | Electronic subscriber line interface circuit having means to equalize current through the output differential amplifier | Gilbert M. M. Ferrieu, Yves J. F. Hetet | 1983-11-08 |
| 4356355 | Apparatus for detecting the closure of a subscriber's line during ringing | Gilbert M. M. Ferrieu, Yves J. F. Hetet | 1982-10-26 |