Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874988 | Pulsed metal halide arc discharge light source | George J. English, Harold L. Rothwell, Jr. | 1989-10-17 |
| D303156 | Lamp | Kirti B. Chakrabarti, James L. Cashman, III | 1989-08-29 |
| 4850918 | Pulsed metal halide source | George J. English, Harold L. Rothwell, Jr. | 1989-07-25 |