Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4188449 | Phosphorescent screens | Chen-i Lu, Harry J. Krall | 1980-02-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4188449 | Phosphorescent screens | Chen-i Lu, Harry J. Krall | 1980-02-12 |