Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4715861 | Economy chrome tanning process with aldehyde-acids and keto-acids | Werner Lotz, Karlheinz Fuchs | 1987-12-29 |
SH
Siegmund Haller
Overall (All Time): #3,988,017 of 4,157,543Top 100%
1
Patents All Time