Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882516 | Cathode ray tube with internal double-wall magnetic shield | Tatsushiro Hirata | 1989-11-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882516 | Cathode ray tube with internal double-wall magnetic shield | Tatsushiro Hirata | 1989-11-21 |