Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4675579 | Coupling of carrier signal from power line | James Hartsfield Hardy, Candler A. Willis | 1987-06-23 |
| 4562384 | Variable reactance inductor with adjustable ranges | — | 1985-12-31 |
| 4527098 | Discrete starter for HID lamp | — | 1985-07-02 |
| 4437042 | Starting and operating circuit for gaseous discharge lamps | Don Morais | 1984-03-13 |
| 4333139 | Static inverter | Alan M. Smith | 1982-06-01 |
| 4331905 | Starting and operating circuit for gaseous discharge lamps | — | 1982-05-25 |