Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8137586 | Phosphor blend for a compact fluorescent lamp and lamp containing same | Robert E. Levin, Chung-Nin Chau, Roger B. Hunt, Jr. | 2012-03-20 |
| 7641517 | Keyed socket and lamp base | Karl-Wilhelm Vogt, Tobias Brown, Markus Pieper, Roger B. Hunt, Jr., Dennis S. Holt | 2010-01-05 |
| 7361040 | Base with integrated heatsink for compact fluorescent lamps | Heinz W. Ito, Robert Y. Pai, James A. Gotay | 2008-04-22 |
| 6906465 | End-of-life protection for compact fluorescent lamps | — | 2005-06-14 |
| 6828720 | Compact fluorescent sun-tanning lamp | Steven C. Farley | 2004-12-07 |