Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4826671 | Preparation of acicular .alpha.-Fe.sub.2 O.sub.3 | Rainer Feser, Werner Steck, Helmut Jakusch | 1989-05-02 |
VA
Volker Arndt
Overall (1989): #46,269 of 140,708Top 35%
1
Patents 1989