Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5092564 | Column for treating particulate materials with a gas | Robin Ephithite | 1992-03-03 |
| 4975116 | Method for production of metals of ferroalloys by direct reduction | Robin Ephithite | 1990-12-04 |