Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4811388 | Telecommunication network including a central back-up memory | Ruud Willemstein | 1989-03-07 |
RW
Rudolphus H. W. M. Westerhof
Overall (1989): #38,374 of 140,708Top 30%
1
Patents 1989