Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6326733 | Electronic circuit to initiate and sustain current conduction in gaseous discharge lamps and method | — | 2001-12-04 |
| 4695769 | Logarithmic-to-linear photocontrol apparatus for a lighting system | — | 1987-09-22 |
| 4677348 | Combined ignitor and transient suppressor for gaseous discharge lighting equipment | — | 1987-06-30 |
| 4414600 | Protection device for high intensity gaseous discharge lamp starting circuit | — | 1983-11-08 |
| 4400754 | Spark arrestor | — | 1983-08-23 |
| 4269194 | Carbon dioxide measurement from expired gases in a partial rebreathing anesthesia circuit | Robert L. Rayburn, Robert L. Watson, Charles R. Elbel | 1981-05-26 |