Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4657669 | Depressants for froth flotation | JAN BENJAMIN PIETER COETZEE | 1987-04-14 |
| 4330667 | Resinous polymeric substances | John L. Job | 1982-05-18 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4657669 | Depressants for froth flotation | JAN BENJAMIN PIETER COETZEE | 1987-04-14 |
| 4330667 | Resinous polymeric substances | John L. Job | 1982-05-18 |