Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8012318 | Process for multiple stage direct electrowinning of copper | John O. Marsden, Robert E. Brewer, Joanna M. Robertson, David R. Baughman, Philip Thompson +2 more | 2011-09-06 |