Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4983889 | Discharge lamp using acoustic resonant oscillations to ensure high efficiency | — | 1991-01-08 |
| 4959592 | Starting electrodes for HID lamps | John M. Anderson | 1990-09-25 |
| 4950059 | Combination lamp and integrating sphere for efficiently coupling radiant energy from a gas discharge to a lightguide | — | 1990-08-21 |
| 4902933 | High efficacy discharge lamp having large anodes | — | 1990-02-20 |
| 4739225 | Reduced requirement energy storage for load having non-zero minimum operating potential | Milton D. Bloomer, George Jernakoff | 1988-04-19 |
| 4714912 | Single-conductor power line communications system | Joseph C. Borowiec | 1987-12-22 |
| 4709188 | Operation of standby filament associated with an AC arc discharge lamp ballast | — | 1987-11-24 |
| 4677346 | Drive and control circuits for gate capacitance latch with refresh lamp ballast | Joseph C. Borowiec | 1987-06-30 |
| 4614898 | Electronic ballast with low frequency AC to AC converter | Abdallah Mahmoud Itani | 1986-09-30 |
| 4613795 | Driver circuit controller for AC to AC converters | Abdallah Mahmoud Itani | 1986-09-23 |
| 4613841 | Integrated transformer and inductor | — | 1986-09-23 |
| 4536680 | Resistive lamp ballast with re-ignition circuit | — | 1985-08-20 |
| 4454448 | Inter-channel isolation scheme for compact, folded discharge lamps | — | 1984-06-12 |
| 4437041 | Amalgam heating system for solenoidal electric field lamps | — | 1984-03-13 |
| 4427955 | Capacitor structure for integrated multi-stage filter | — | 1984-01-24 |
| 4422056 | Integrated multi-stage electrical filter | — | 1983-12-20 |
| 4409521 | Fluorescent lamp with reduced electromagnetic interference | — | 1983-10-11 |
| 4383204 | Three-level interface control circuit for electronically ballasted lamp | — | 1983-05-10 |