Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5739640 | Low line voltage detection control module and method for a fluorescent lamp | — | 1998-04-14 |
| 5736817 | Preheating and starting circuit and method for a fluorescent lamp | Dan Rothenbuhler, Samuel A. Johnson, Jon P. Seubert | 1998-04-07 |