Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4424494 | Automatic gain control circuit | Fredrick A. Aldridge | 1984-01-03 |
| 4404527 | Bridge audio amplifier including low level fade control | Jerry L. Glandon | 1983-09-13 |
| 4243954 | Low level LC oscillator | Frederick A. Aldridge | 1981-01-06 |
| 4198543 | Stereo composite processor for stereo radio receiver | Wayne A. Smith, Arthur R. Hammond | 1980-04-15 |
| 4198603 | Radio receiver audio attenuator | Frederick A. Aldridge, James Gotshall | 1980-04-15 |