Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5690889 | Production method for making rare earth compounds | R. William McCallum, Timothy W. Ellis, Robert Hofer, Daniel James Branagan | 1997-11-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5690889 | Production method for making rare earth compounds | R. William McCallum, Timothy W. Ellis, Robert Hofer, Daniel James Branagan | 1997-11-25 |