Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4811388 | Telecommunication network including a central back-up memory | Rudolphus H. W. M. Westerhof | 1989-03-07 |
RW
Ruud Willemstein
Overall (1989): #59,909 of 140,708Top 45%
1
Patents 1989