Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5616990 | Ballast scheme for a fluorescent lamp with preheated filaments | Patrick E. Troy, Janis L. Wetterich | 1997-04-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5616990 | Ballast scheme for a fluorescent lamp with preheated filaments | Patrick E. Troy, Janis L. Wetterich | 1997-04-01 |