Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5343115 | Efficient large area multi-channel flat fluorescent lamp | Douglas Ketchum | 1994-08-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5343115 | Efficient large area multi-channel flat fluorescent lamp | Douglas Ketchum | 1994-08-30 |