Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5023515 | Redundant lamp control circuit | Carl C. Krihwan | 1991-06-11 |
| 4904905 | Dual resonant frequency arc lamp power supply | — | 1990-02-27 |
| 4792701 | Failure compensation circuit with thermal compensation | Francis J. Zelina | 1988-12-20 |
| 4785390 | Instantaneous failure compensation circuit | Francis J. Zelina | 1988-11-15 |