Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6627171 | Method for producing iron carbide from granulated sponge iron | Martin Hirsch, Peter Weber | 2003-09-30 |
| 6524362 | Method of melting fine grained direct reduced iron in an electric arc furnace | Heinz Eichberger, Siegfried Schimo, William Wells | 2003-02-25 |