Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4192738 | Process for scavenging iron from tailings produced by flotation beneficiation and for increasing iron ore recovery | David M. Hopstock | 1980-03-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4192738 | Process for scavenging iron from tailings produced by flotation beneficiation and for increasing iron ore recovery | David M. Hopstock | 1980-03-11 |