Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5744912 | Electronic ballast having an oscillator shutdown circuit for single or multiple fluorescent tubes for lamps | — | 1998-04-28 |
| 5387846 | Combination ballast for driving a fluorescent lamp or tube and ballast protection circuit | — | 1995-02-07 |
| 5253152 | Lightweight plug-in fluorescent lamp assembly | Thien S. Yang | 1993-10-12 |