Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4400588 | Electronic voice network for a telephone subscriber's substation | Charles F. Hines, Rickey W. Light | 1983-08-23 |
| 4309574 | Electronic tone ringer | John D. Sublette | 1982-01-05 |
| 4278985 | Monolithic integrated circuit structure incorporating Schottky contact diode bridge rectifier | — | 1981-07-14 |