Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872741 | Electrodeless panel discharge lamp liquid crystal display | Sayed-Amr El-Hamamsy | 1989-10-10 |
| 4810938 | High efficacy electrodeless high intensity discharge lamp | Peter D. Johnson, John M. Anderson | 1989-03-07 |