Issued Patents All Time
Showing 76–100 of 231 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5374874 | Electronic ballast with crest factor control | — | 1994-12-20 |
| 5371441 | Plug-in electronic lighting product | — | 1994-12-06 |
| 5343124 | Shock-hazard-free lighting means | — | 1994-08-30 |
| 5343123 | Series-resonant inverter ballast | — | 1994-08-30 |
| 5341067 | Electronic ballast with trapezoidal voltage waveform | — | 1994-08-23 |
| 5309032 | Wall switch timer | — | 1994-05-03 |
| 5270618 | Magnetic-electronic dual-frequency ballast | — | 1993-12-14 |
| 5262700 | Fluorescent lighting means | — | 1993-11-16 |
| 5256939 | Magnetic electronic fluorescent lamp ballast | — | 1993-10-26 |
| 5239233 | High efficacy incandescent lighting product | — | 1993-08-24 |
| 5233270 | Self-ballasted screw-in fluorescent lamp | — | 1993-08-03 |
| 5216332 | Magnetic-electronic ballast for fluorescent lamps | — | 1993-06-01 |
| 5214356 | Dimmable fluorescent lamp ballast | — | 1993-05-25 |
| 5214355 | Instant-start electronic ballast | — | 1993-05-25 |
| 5214353 | Flashlight with boost feature | — | 1993-05-25 |
| 5210788 | Telephone instrument and distribution system | — | 1993-05-11 |
| 5191262 | Extra cost-effective electronic ballast | — | 1993-03-02 |
| 5189342 | Parallel-tuned electronic ballast | — | 1993-02-23 |
| 5185560 | Electronic fluorescent lamp ballast | — | 1993-02-09 |
| 5180952 | Electronic track lighting system | — | 1993-01-19 |
| 5180950 | Power-factor-corrected electronic ballast | — | 1993-01-19 |
| 5179326 | Electronic ballast with separate inverter for cathode heating | — | 1993-01-12 |
| 5177409 | Controllable electronic ballast | — | 1993-01-05 |
| 5166578 | Inverter power supply circuit | — | 1992-11-24 |
| 5164637 | Power supply for gas discharge lamps | — | 1992-11-17 |