Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7779984 | Arrangement for extracting extraction products in underground extraction operations in caving | Harry Martin, Juan Delgado, Victor Raúl Encina Montenegro, Pablo Antonio Letelier Parga, Jaime Hernán Carreño Valdés +6 more | 2010-08-24 |