Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6786949 | Method and apparatus for using a pre-jel for producing self-reducing agglomerates | — | 2004-09-07 |
| 6692688 | Modular furnace | Marcos de Albuquerque Contrucci, Pedro Henrique Carpinetti Costa | 2004-02-17 |