Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4761177 | Production of cobalt and nickel powder | Eddie C. Chou, Leo W. Beckstead | 1988-08-02 |
| 4670229 | Cyclic process for recovering metal values and alumina from spent catalysts | Edward I. Wiewiorowski, Ranko Crnojevich | 1987-06-02 |