Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4741770 | Zinc smelting process using oxidation zone and reduction zone | Barry S. Andrews, Mark I. Hoschke, Gregorey J. Hardie, Michael John Hollitt | 1988-05-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4741770 | Zinc smelting process using oxidation zone and reduction zone | Barry S. Andrews, Mark I. Hoschke, Gregorey J. Hardie, Michael John Hollitt | 1988-05-03 |