Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5647888 | Process for producing metals and metal alloys in a smelt reduction vessel | John Keogh, Robin John Batterham | 1997-07-15 |
| 5489325 | Process for producing metals and metal alloys in a smelt reduction vessel | John Keogh, Robin John Batterham | 1996-02-06 |
| 4741770 | Zinc smelting process using oxidation zone and reduction zone | James Dixon Iley, Mark I. Hoschke, Gregorey J. Hardie, Michael John Hollitt | 1988-05-03 |