Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6048133 | Method for disposing of mining process fines | John R. Williamson, Charles Stephanus Marais, Matthew Jonathan Joseph Cobbett | 2000-04-11 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6048133 | Method for disposing of mining process fines | John R. Williamson, Charles Stephanus Marais, Matthew Jonathan Joseph Cobbett | 2000-04-11 |