Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4941198 | Communications repeater monitoring system | Edward R. Johnson, Ladan A. Parandoosh | 1990-07-10 |
| 4783843 | Split band filter for cellular mobile radio | Barry J. Leff, Edward R. Johnson | 1988-11-08 |
| 4547739 | Signal demodulation system for wideband FM | — | 1985-10-15 |