Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4234140 | Magnetic tape cassette drive system | Franz Werner, Gerhard Maryschka, Joannus H. F. C. Sieben | 1980-11-18 |
CN
Cornelis P. Van Nie
Overall (All Time): #4,123,938 of 4,157,543Top 100%
1
Patents All Time