Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884007 | Low pressure arc discharge tube having increased voltage | Radomir Lagushenko | 1989-11-28 |
| 4825125 | Discharge lamp having multiple constrictions | Radomir Lagushenko, Robert Y. Pai | 1989-04-25 |
| 4816719 | Low pressure arc discharge tube with reduced ballasting requirement | Rodomir Lagushenko | 1989-03-28 |