Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4455439 | Process for the preparation of ketene | Dieter Arnold, Jorg Bartels, Gunter Jacobsen, Heinz Wendt, Manfred Stoltenberg | 1984-06-19 |
HL
Heinrich Lenzmann
Overall (All Time): #4,036,445 of 4,157,543Top 100%
1
Patents All Time