Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4484730 | Device for leaching copper from slags | Atanas P. Boychev, Vesselin L. Ralchev, Georgi Y. Kostov | 1984-11-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4484730 | Device for leaching copper from slags | Atanas P. Boychev, Vesselin L. Ralchev, Georgi Y. Kostov | 1984-11-27 |