Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11135597 | Method and system for releasing mineral from synthetic bubbles and beads | Paul J. Rothman, Mark R. Fernald, Christian V. O'Keefe, Douglas H. Adamson | 2021-10-05 |
| 11117141 | Mineral separation using sized-, weight- or magnetic-based polymer bubbles or beads | Paul J. Rothman, Mark R. Fernald, Christian V. O'Keefe, Alan D. Kersey, Douglas H. Adamson | 2021-09-14 |