Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4701671 | High-frequency oscillator-inverter ballast circuit for discharge lamps | Edward H. Stupp, Mark W. Fellows | 1987-10-20 |
| 4560908 | High-frequency oscillator-inverter ballast circuit for discharge lamps | Edward H. Stupp, Mark W. Fellows | 1985-12-24 |
| 4453109 | Magnetic transformer switch and combination thereof with a discharge lamp | Edward H. Stupp, Mark W. Fellows, Vincent J. Spataro | 1984-06-05 |