Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4890032 | Color display tube having electrode converging means | Antonius J. M. Van Den Beld | 1989-12-26 |
JB
Jan Bijma
Overall (1989): #101,452 of 140,708Top 75%
1
Patents 1989