Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4802916 | Copper smelting combined with slag cleaning | Grigori S. Victorovich, Carlos M. Diaz, Charles E. O'Neill, James A. Bell | 1989-02-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4802916 | Copper smelting combined with slag cleaning | Grigori S. Victorovich, Carlos M. Diaz, Charles E. O'Neill, James A. Bell | 1989-02-07 |