Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9067872 | Method for compressing gases containing hydrogen sulfide | Andreas Woelfert, Harald Jachow, Guenter Renz | 2015-06-30 |
FG
Frank Grzonkowski
Overall (All Time): #3,058,789 of 4,157,543Top 75%
1
Patents All Time