Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4343971 | Subscriber drop circuit for controlling drop current with load and maximizing power usage | — | 1982-08-10 |
| 4309676 | Instantaneous compressor and instantaneous expandor | Hubert C. Martin, Jr. | 1982-01-05 |