Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5844380 | Circuit arrangement for ingniting and supplying power to a lamp | — | 1998-12-01 |
| 5808423 | Lighting control for reducing energy consumption | Richard Qun Li, John Chou, Yongping Xia | 1998-09-15 |
| 5477109 | Discharge lamp fast preheat circuit independent of type of ballast | Hubertus M. J. Chermin | 1995-12-19 |