Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883586 | Process for beneficiating ores containing fine particles | Laurence W. Bierman, Samuel M. Polinsky | 1989-11-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883586 | Process for beneficiating ores containing fine particles | Laurence W. Bierman, Samuel M. Polinsky | 1989-11-28 |