Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4843279 | Fluorescent lamp substantially approximating the ultraviolet spectrum of natural sunlight | Kendrick D. Rattray | 1989-06-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4843279 | Fluorescent lamp substantially approximating the ultraviolet spectrum of natural sunlight | Kendrick D. Rattray | 1989-06-27 |