Issued Patents All Time
Showing 101–125 of 231 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5159245 | Track lighting system for 277 volt power line | — | 1992-10-27 |
| 5152099 | Plant rejuvenator system | — | 1992-10-06 |
| 5146149 | Automotive-type storage battery with built-in charger | — | 1992-09-08 |
| 5146139 | Controllable gas discharge lighting system | — | 1992-09-08 |
| 5144202 | High-frequency power supply for incandescent lamp | — | 1992-09-01 |
| 5132594 | Longer-life incandescent lamp | — | 1992-07-21 |
| 5115347 | Electronically power-factor-corrected ballast | — | 1992-05-19 |
| 5111380 | Controlled series-resonance-loaded inverter | — | 1992-05-05 |
| 5103139 | Lamp starting and operating procedure in electronic ballast | — | 1992-04-07 |
| 5083782 | Financial instruments and systems | — | 1992-01-28 |
| 5084653 | Power-line-isolated dimmable electronic ballast | — | 1992-01-28 |
| 5083784 | Investment lottery process and system | — | 1992-01-28 |
| 5082275 | High-return lottery process and system | — | 1992-01-21 |
| 5083255 | Inverter with electrically controllable output | — | 1992-01-21 |
| 5070522 | Combined signal and power distribution system | — | 1991-12-03 |
| 5068890 | Combined signal and electrical power distribution system | — | 1991-11-26 |
| 5057749 | Electronic power factor correction for ballasts | — | 1991-10-15 |
| 5049787 | Controlled electronic ballast | — | 1991-09-17 |
| 5047696 | Power-limited ceiling lighting system | — | 1991-09-10 |
| 5047690 | Inverter power supply and ballast circuit | — | 1991-09-10 |
| 5041766 | Power-factor-controlled electronic ballast | Dale Fiene | 1991-08-20 |
| 5039919 | Control arrangement for electronic ballast | — | 1991-08-13 |
| 5036253 | Inverter power supply for incandescent lamp | — | 1991-07-30 |
| 5032782 | Series-connected power-line controller | — | 1991-07-16 |
| 5032765 | Operating system for fluorescent lamp array | — | 1991-07-16 |