Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4737272 | Froth flotation method and apparatus | Marian Szatkowski | 1988-04-12 |
| 4319987 | Branched alkyl ether amines as iron ore flotation aids | Donald Shaw, Quentin T. McGlothlin, Barry M. O'Brien, John W. Keck | 1982-03-16 |