Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7476308 | Process for multiple stage direct electrowinning of copper | John O. Marsden, Robert E. Brewer, Joanna M. Robertson, David R. Baughman, Wayne W. Hazen +1 more | 2009-01-13 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7476308 | Process for multiple stage direct electrowinning of copper | John O. Marsden, Robert E. Brewer, Joanna M. Robertson, David R. Baughman, Wayne W. Hazen +1 more | 2009-01-13 |