Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4841474 | Computer system with work stations at remote positions and reserve battery power supply | Frederik Zandveld | 1989-06-20 |
PV
Peter C. L. Van Der Vliet
Overall (1989): #69,152 of 140,708Top 50%
1
Patents 1989