Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698951 | Electrodeless discharge lamp and device for increasing the lamp's luminous development | Oleg Popov, Edward K. Shapiro | 1997-12-16 |
| 5690421 | Display lighting with matched narrow band filter and light source | Michael J. Shea, John F. Waymouth | 1997-11-25 |
| 5637965 | Low pressure sodium-mercury lamp yielding substantially white light | Jagannathan Ravi | 1997-06-10 |
| 5621266 | Electrodeless fluorescent lamp | Oleg Popov, Edward K. Shapiro | 1997-04-15 |
| 5592052 | Variable color temperature fluorescent lamp | Jagannathan Ravi | 1997-01-07 |