Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4654079 | Process for improving the extraction yield of silver and gold in refractory ores | Carlos M. Nunez, Fernando Espiell | 1987-03-31 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4654079 | Process for improving the extraction yield of silver and gold in refractory ores | Carlos M. Nunez, Fernando Espiell | 1987-03-31 |