Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866351 | Annular light source unit using electrodeless discharge and a method of lighting the same | — | 1989-09-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866351 | Annular light source unit using electrodeless discharge and a method of lighting the same | — | 1989-09-12 |