Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4661610 | Preparation of veratryl cyanide | Josef Muller, Walter-Wielant Wiersdorff, Wolfram Burst, Heinz Dralle, Rolf Steinkamp | 1987-04-28 |
ES
Ernst Schaffner
Overall (All Time): #3,973,231 of 4,157,543Top 100%
1
Patents All Time