Issued Patents 1997
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5691603 | Electronic ballast with multiple lamp loads | — | 1997-11-25 |
| 5661802 | Auxiliary power and telephone signal distribution system | — | 1997-08-26 |
| 5640069 | Modular lighting system | — | 1997-06-17 |
| 5623531 | Auxiliary power for telephone distribution system | — | 1997-04-22 |
| 5621279 | Power-factor-corrected electronic ballast circuit | — | 1997-04-15 |
| 5614802 | Frequency, voltage and waveshape converter for a three phase induction motor | — | 1997-03-25 |
| 5608291 | Electronic ballast with pulsing output voltage | — | 1997-03-04 |