Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4256909 | Preparation of dimethyl butanedicarboxylates | Rudolf Kummer, Heinz-Walter Schneider, Franz-Josef Weiss | 1981-03-17 |
OL
Otto Lemann
Overall (All Time): #4,085,898 of 4,157,543Top 100%
1
Patents All Time