Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9142397 | High color rendering index fluorescent lamp with multi-layer phosphor coating | Fangming Du, William Erwin Cohen, Stephen Lloyd Killion, Adam Jason Burns | 2015-09-22 |
| 6433482 | Barium light source method and apparatus | John J. Curry, Jeffrey MacDonagh-Dumler, James E. Lawler | 2002-08-13 |