Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE44850 | Process for copper converting | Stephen Peter Hughes, Robert Matusewicz, Ross Alexander McClelland, Antony Acquadro | 2014-04-22 |
| 7749301 | Process for copper converting | Stephen Peter Hughes, Robert Matusewicz, Ross Alexander McClelland, Antony Acquadro | 2010-07-06 |
| 7727304 | Smelting process for the production of iron | Colette Maria Ng, Giuseppe Sofra, Stephen Peter Hughes, Robert Walter Mautsewicz, Ross Alexander McClelland +1 more | 2010-06-01 |
| 5498277 | Process for production of iron | John M. Floyd, Ian L. Chard | 1996-03-12 |
| 5282881 | Smelting of metallurgical waste materials containing iron compounds and toxic elements | John M. Floyd, Brian W. Lightfoot, Kenneth R Robilliard | 1994-02-01 |