Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4356354 | Electronic subscriber junctor | — | 1982-10-26 |
| 4356355 | Apparatus for detecting the closure of a subscriber's line during ringing | Etienne J. R. Osmond, Yves J. F. Hetet | 1982-10-26 |
| 4321430 | Subscriber's connecting network comprising a symmetrical power amplifier for feeding a subscriber's line | — | 1982-03-23 |