Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4804909 | Atto-amperemeter | — | 1989-02-14 |
HF
Hans-Werner Fink
Overall (1989): #108,780 of 140,708Top 80%
1
Patents 1989