Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7578459 | Enhanced ore communication process and apparatus | Richard Michael Viljoen, Jan Tjeerd Smit, Udo Meyer | 2009-08-25 |
| 7341212 | Enhanced ore comminution process and apparatus | Richard Michael Viljoen, Jan Tjeerd Smit, Udo Meyer | 2008-03-11 |