Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5196095 | Process for recovering a metal from an aqueous solution comprising a mixture of metal chlorides | Robert B. Sudderth, Stephen M. Olafson | 1993-03-23 |
| 4536214 | Metal sulphide extraction | Leonard R. Ochs, Harald Weber, David Naden | 1985-08-20 |
| 4518418 | Electron beam refinement of metals, particularly copper | Charles D. Hunt | 1985-05-21 |
| 4475771 | Cyclic solution mining of borate ores | George E. Atwood, Douglas E. Cochran, Abraham Sadan, Charles Burnett, Phillip O. Tyree | 1984-10-09 |