Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4832645 | Method of manufacturing a cathode ray tube | Piet C. J. Van Rens, Rienk Weening | 1989-05-23 |
JV
Johannes W. H. Verhagen
Overall (1989): #92,357 of 140,708Top 70%
1
Patents 1989