Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5188809 | Method for separating coke from a feed mixture containing zirconium and radioactive materials by flotation process | William A. Crocker, John C. Haygarth, John R. Peterson | 1993-02-23 |
| 5160482 | Zirconium-hafnium separation and purification process | Kenneth C. Ash, William A. Crocker, John C. Haygarth, David R. Lee, Donald E. Morris +2 more | 1992-11-03 |