Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6395056 | Method for the heat treatment of iron ore lumps in a reduction system | Juan A. Villarreal-Trevino, Ricardo Viramontes-Brown, Juan Celada-Gonzalez, Raul Gerardo Quintero-Flores, Roberto Octaviano Flores-Serrano | 2002-05-28 |
| 6379421 | Method and apparatus removing undesirable metals from iron-containing materials | Mario Alberto Salinas-Fernández, Maria Teresa Guerra-Reyes, Juan A. Villarreal-Trevino, Miguel Angel Pedroza-Contreras | 2002-04-30 |