Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4333762 | Low temperature, non-SO.sub.2 polluting, kettle process for the separation of antimony values from material containing sulfo-antimony compounds of copper | William L. Scott, Leo J. Bulvanoski | 1982-06-08 |
| 4333763 | Low temperature, non-SO.sub.2 polluting, kettle process for separation of lead from lead sulfide-containing material | Herbert E. Howe, William L. Scott, Leo J. Bulvanoski | 1982-06-08 |