Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6831939 | Dual use of an induction furnace to produce hot metal or pig iron while processing iron and volatile metal containing materials | Fred M. Fehsenfeld, Sr. | 2004-12-14 |
| 6682586 | Assemblies and methods for processing zinc-bearing materials | Scott W. Frame, Shannon Wilson | 2004-01-27 |