Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5905340 | High intensity discharge lamp with treated electrode | Rober J. Karlotski, Timothy Kelly | 1999-05-18 |
| 5580290 | Method for recrystallization of tungsten filaments for incandescent lamps | James Avallon, John W. Shaffer | 1996-12-03 |