Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4814958 | Straight type fluorescent lamp device with light reflecting plates | — | 1989-03-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4814958 | Straight type fluorescent lamp device with light reflecting plates | — | 1989-03-21 |