Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4313822 | Method for recovering the lead and zinc values in secondary scrubber muds from blast furnace gases | Jean M. Cases, Georges Valence | 1982-02-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4313822 | Method for recovering the lead and zinc values in secondary scrubber muds from blast furnace gases | Jean M. Cases, Georges Valence | 1982-02-02 |