Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4864215 | Current source arrangement | Hendrikus J. Schouwenaars, Eise C. Dijkmans | 1989-09-05 |
DG
Dirk W. J. Groereveld
Overall (1989): #35,359 of 140,708Top 30%
1
Patents 1989