Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7977858 | Low-pressure mercury vapor discharge lamp | Lambert Christiaan Ida Kaldenhoven | 2011-07-12 |
| 5898265 | TCLP compliant fluorescent lamp | David R. Woodward, Steven D. McGuire | 1999-04-27 |
| 5138224 | Fluorescent low pressure discharge lamp having sintered electrodes | Efim S. Goldburt | 1992-08-11 |