Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866341 | Discharge lamp with base for sealing the lamp | Kiyoshi Tsutsumi, Nobuto Tsujikawa | 1989-09-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866341 | Discharge lamp with base for sealing the lamp | Kiyoshi Tsutsumi, Nobuto Tsujikawa | 1989-09-12 |