Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876477 | Color television display tube | Johannes A. G. De Deugd | 1989-10-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876477 | Color television display tube | Johannes A. G. De Deugd | 1989-10-24 |