Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4544141 | Process and apparatus for continuous converting of copper and non-ferrous mattes | Phillip J. Mackey | 1985-10-01 |
| 4504309 | Process and apparatus for continuous converting of copper and non-ferrous mattes | Phillip J. Mackey | 1985-03-12 |