Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5358120 | Selective separation of finely-divided minerals by addition of selective collector reagent and centrifugation | George E. Gantt, Preston B. Gladin, Randall E. Ussery, Jr. | 1994-10-25 |
| 5311997 | Selective separation of finely-divided minerals by addition of selective collector reagent and centrifugation | George E. Gantt, Preston B. Gladin, Randall E. Ussery, Jr. | 1994-05-17 |