Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4814479 | Preparation of aromatic nitriles | Heinz Engelbach, Wolfgang Franzischka, Martin Decker | 1989-03-21 |
RK
Roland Krokoszinski
Overall (1989): #62,522 of 140,708Top 45%
1
Patents 1989