Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11297775 | LED grow light system with time varying light intensity | — | 2022-04-12 |
| 10143144 | Daisy chain grow light | — | 2018-12-04 |
| 10004179 | Vertical grow lights with frame mounts | — | 2018-06-26 |
| 7944156 | Electronic ballast for high intensity discharge lamps | — | 2011-05-17 |
| 7706161 | Single stage resonant power converter with auxiliary power source | — | 2010-04-27 |
| 7541791 | Switch mode power converter having multiple inductor windings equipped with snubber circuits | — | 2009-06-02 |
| 7379291 | Enclosed electronic ballast housing | — | 2008-05-27 |
| 7199528 | Control circuit for maintaining constant power in power factor corrected electronic ballasts and power supplies | — | 2007-04-03 |
| 7176658 | Controller for permanent magnet alternator | Harold C. Scott, Stewart C. Koch | 2007-02-13 |
| 6359395 | Control circuit for power factor corrected electronic ballasts and power supplies | Jay Lutsky | 2002-03-19 |
| 5581158 | Lamp brightness control circuit with ambient light compensation | — | 1996-12-03 |
| 5404080 | Lamp brightness control circuit with ambient light compensation | — | 1995-04-04 |
| 5289083 | Resonant inverter circuitry for effecting fundamental or harmonic resonance mode starting of a gas discharge lamp | — | 1994-02-22 |
| 5245253 | Electronic dimming methods for solid state electronic ballasts | — | 1993-09-14 |
| 4943886 | Circuitry for limiting current between power inverter output terminals and ground | — | 1990-07-24 |
| 4933605 | Fluorescent dimming ballast utilizing a resonant sine wave power converter | Kenneth Walter Peek | 1990-06-12 |
| 4693805 | Method and apparatus for sputtering a dielectric target or for reactive sputtering | — | 1987-09-15 |