Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6699302 | Treatment of metal sulphide concentrates by roasting and electrically stabilized open-arc furnace smelt reduction | Rodney T Jones, Nicholas Barcza, Gary J. O'Connell, Anthony L. Hannaford | 2004-03-02 |
| 6379426 | Fluidized bed reduction of laterite fines with reducing gases generated in situ | Ron Shonewille, Terrence Koehler | 2002-04-30 |
| 4814004 | Non-ferrous metal recovery | James F. Jackson, Richard O. Laine | 1989-03-21 |