Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4821286 | Quaternary signal regenerator | James F. Graczyk, Edward S. Parsons | 1989-04-11 |
| 4739196 | Wide range linear inpedance controller using junction field effect transistors | Edward S. Parsons | 1988-04-19 |
| 4663583 | Automatically variable phase characteristic all-pass circuit | Edward S. Parsons | 1987-05-05 |
| 4606046 | Converter/line driver circuit for a line repeater | — | 1986-08-12 |