Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4371867 | Transmitting signals over alternating current power networks | — | 1983-02-01 |
| 4307380 | Transmitting signals over alternating current power networks | — | 1981-12-22 |
| 4297533 | Detector to determine the presence of an electrical signal in the presence of noise of predetermined characteristics | Ralph Aubert | 1981-10-27 |