Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5980651 | Process to obtain parts of high carbon gray cast iron and high carbon gray cast iron material in special to manufacture rotors and drum brake systems and general automotive application with noise absorption | Altemicio Rodrigues de Azevedo | 1999-11-09 |