Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4525650 | Starting and operating method and apparatus for discharge lamps | John M. Hicks, Joseph C. Engel, Robert T. Elms, Gary F. Saletta | 1985-06-25 |
| 4501994 | Ballast modifying device and lead-type ballast for programming and controlling the operating performance of an hid sodium lamp | — | 1985-02-26 |
| 4455595 | Packaged add-on device for lead-type ballast and luminaire which incorporates such packaged add-on device | Joseph C. Engel, Richard Eric Hanson, Kenneth W. Simms | 1984-06-19 |
| 4350934 | Discharge device ballast component which provides both voltage transformation and variable inductive reactance | — | 1982-09-21 |
| 4286207 | High-power AC voltage stabilizer | James M. Banic, Jr. | 1981-08-25 |