Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5599442 | Collector composition for flotation of activated sphalerite | Danny Lee, Peter V. Avotins | 1997-02-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5599442 | Collector composition for flotation of activated sphalerite | Danny Lee, Peter V. Avotins | 1997-02-04 |