Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884010 | Electron-emitting device and its application particularly to making flat television screens | — | 1989-11-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884010 | Electron-emitting device and its application particularly to making flat television screens | — | 1989-11-28 |