Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5652481 | Automatic state tranition controller for a fluorescent lamp | Samuel A. Johnson, Gerald G. Miller | 1997-07-29 |
| 5631523 | Method of regulating lamp current through a fluorescent lamp by pulse energizing a driving supply | Samuel A. Johnson | 1997-05-20 |