Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4337409 | Color display tube with control grid positioning feature | Antonius W. F. van der Heijden, Jorg Brambring | 1982-06-29 |
JS
Johannes M. J. Spruyt
Overall (1982): #19,097 of 81,411Top 25%
1
Patents 1982