Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9611521 | Extraction of gallium and/or arsenic from gallium arsenide | — | 2017-04-04 |
| 9556049 | Method for treating sewage sludge and wastewater treatment plant | Wolfgang Ewert, Hinnerk Bormann | 2017-01-31 |