Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872748 | Projection-lens system | — | 1989-10-10 |
| 4835380 | Scanning device for an optical recording and/or reproducing apparatus | Willem G. Opheij | 1989-05-30 |
JB
Josephus J. M. Braat
Overall (1989): #24,126 of 140,708Top 20%
2
Patents 1989