Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9976222 | Bubble collector guide and use thereof | Ville Nieminen, Heikki Aaltonen | 2018-05-22 |
| 9932683 | Method for metal electrowinning and an electrowinning cell | Michael H. Barker | 2018-04-03 |