Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8043408 | Direct smelting of zinc bearing compounds to produce metallic zinc | — | 2011-10-25 |
| 7985389 | Direct processing of ferrotitania ores and sands | — | 2011-07-26 |
| D638476 | Vending machine for liquids | Sean G. Hoffman | 2011-05-24 |