Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4816927 | Magnetic-tape apparatus, having means for optimizing tape speed | Joannes A. E. Van Der Kop | 1989-03-28 |
AR
Alvert M. A. Rijckaert
Overall (1989): #132,989 of 140,708Top 95%
1
Patents 1989