Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8076866 | Electronic ballast having current waveform control within the half wave | Alan Lenef | 2011-12-13 |
| 7919926 | Aggregate ignition method in high frequency metal halide lamps | Andrew Johnsen, Harold L. Rothwell, Jr. | 2011-04-05 |
| 7863827 | Ceramic metal halide lamp bi-modal power regulation control | Andrew Johnsen | 2011-01-04 |