Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8007603 | High-strength steel for seamless, weldable steel pipes | Alfonso Izquierdo Garcia, Héctor Manuel Quintanilla Carmona, Ettore Anelli, Andrea Di Schino | 2011-08-30 |
| 8002910 | Seamless steel tube which is intended to be used as a guide pipe and production method thereof | Alfonso Izquierdo Garcia, Dionino Colleluori, Guiseppe Cumino | 2011-08-23 |