Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6612892 | High intensity discharge lamps, arc tubes and methods of manufacture | Abbas Lamouri, Yongyei Gu | 2003-09-02 |
| 6554456 | Efficient directional lighting system | Roger Buelow, John M. Davenport | 2003-04-29 |
| 6546752 | Method of making optical coupling device | John M. Davenport, Roger Buelow | 2003-04-15 |
| 6517404 | High intensity discharge lamps, arc tubes and methods of manufacture | Abbas Lamouri, Yongwei Gu | 2003-02-11 |
| 6508579 | Lighting apparatus for illuminating well-defined limited areas | Alan J. Ruud, Roger Buelow, John M. Davenport, Eric J. Haugaard | 2003-01-21 |