Issued Patents All Time
Showing 176–200 of 231 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4729081 | Power-factor-corrected AC/DC converter | — | 1988-03-01 |
| 4727470 | Resonant inverter having crest factor control | — | 1988-02-23 |
| 4712019 | Programmable electronic plug-in timer | — | 1987-12-08 |
| 4700287 | Dual-mode inverter power supply | — | 1987-10-13 |
| 4698553 | Electronic power supply system | — | 1987-10-06 |
| 4692681 | Battery charger with adjustable charging current | — | 1987-09-08 |
| 4692667 | Parallel-resonant bridge-inverter fluorescent lamp ballast | — | 1987-09-08 |
| 4688154 | Track lighting system with plug-in adapters | — | 1987-08-18 |
| 4680506 | Inverter-type microwave oven power supply | — | 1987-07-14 |
| 4677345 | Inverter circuits | — | 1987-06-30 |
| 4675576 | High-reliability high-efficiency electronic ballast | — | 1987-06-23 |
| 4672159 | Electrically controllable magnetron power supply | — | 1987-06-09 |
| 4667133 | Power-limited lighting system | — | 1987-05-19 |
| 4667131 | Protection circuit for fluorescent lamp ballasts | — | 1987-05-19 |
| 4663571 | Electronic ballast with ground-fault protection | — | 1987-05-05 |
| 4652797 | Electronic ballast with high power factor | — | 1987-03-24 |
| 4651059 | High-frequency power-limited lighting system | — | 1987-03-17 |
| 4645942 | Clock with programmable actuator means | — | 1987-02-24 |
| 4644228 | Series-resonant parallel-loaded fluorescent lamp ballast | — | 1987-02-17 |
| 4644459 | Electronic inverter having magnitude-controllable output | — | 1987-02-17 |
| 4638395 | Protector for series-excited parallel-loaded resonant circuit | — | 1987-01-20 |
| 4634932 | Lighting system | — | 1987-01-06 |
| 4631648 | Modular suspended ceiling and lighting system | — | 1986-12-23 |
| 4626747 | Class-3 lighting system | — | 1986-12-02 |
| 4626953 | Doubly overload-protected power distribution system | — | 1986-12-02 |