Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4319987 | Branched alkyl ether amines as iron ore flotation aids | Donald Shaw, Quentin T. McGlothlin, John W. Keck, Wilfred L. Freyberger | 1982-03-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4319987 | Branched alkyl ether amines as iron ore flotation aids | Donald Shaw, Quentin T. McGlothlin, John W. Keck, Wilfred L. Freyberger | 1982-03-16 |