Issued Patents All Time
Showing 51–75 of 231 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5481160 | Electronic ballast with FET bridge inverter | — | 1996-01-02 |
| 5479326 | Ceiling system with readily movable lighting panels | — | 1995-12-26 |
| 5479074 | Electronic ballast with pre-conditioner circuit | — | 1995-12-26 |
| 5471118 | Electronic ballast with power-factor-correcting pre-converter | — | 1995-11-28 |
| 5469028 | Electronic ballast drawing sinusoidal line current | — | 1995-11-21 |
| 5465031 | Programmable actuator for light dimmer | — | 1995-11-07 |
| 5459375 | Electronic ballast with high-frequency-aided power-factor-correction | — | 1995-10-17 |
| 5446347 | Electronic ballast with special DC supply | — | 1995-08-29 |
| 5446346 | Electronic ballast with controlled DC supply voltage | — | 1995-08-29 |
| 5446342 | Light-output-controlled fluorescent lighting fixture | — | 1995-08-29 |
| 5440209 | Driven full-bridge inverter ballast | — | 1995-08-08 |
| 5438239 | Fluorescent lamp ballast with light output control | — | 1995-08-01 |
| 5434481 | Electronic ballast for fluorescent lamps | — | 1995-07-18 |
| 5432409 | Electronic ballast with parallel-tuned output circuit | — | 1995-07-11 |
| 5428266 | Electronic ballast with leakage transformer | — | 1995-06-27 |
| 5428264 | Electronic ballast with controlled operating voltage | — | 1995-06-27 |
| 5426349 | Electronic ballast with two-transistor switching device | — | 1995-06-20 |
| 5426347 | Lighting system with emergency standby feature | — | 1995-06-20 |
| 5422546 | Dimmable parallel-resonant electric ballast | — | 1995-06-06 |
| 5418433 | Flashlight with hybrid battery and electronic control circuit | — | 1995-05-23 |
| 5416386 | Electronic ballast with controlled DC rail voltage | — | 1995-05-16 |
| 5404083 | Energy-efficient cost-effective electronic ballast | — | 1995-04-04 |
| 5402043 | Controlled driven series-resonant ballast | — | 1995-03-28 |
| 5397930 | Programmable wall switch plug-in timer | — | 1995-03-14 |
| 5387845 | Neon lamp power supply | — | 1995-02-07 |