Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4914346 | Lamp envelope having a luminescent material on the interior surface thereof, method of applying said material, and material to be applied | — | 1990-04-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4914346 | Lamp envelope having a luminescent material on the interior surface thereof, method of applying said material, and material to be applied | — | 1990-04-03 |