Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9468975 | Treatment of chemical feedstocks | Willem Liebenberg Retief, Johan Louis Havenga, Wilhelmina Du Plessis, Johannes Petrus Le Roux | 2016-10-18 |
| 9416431 | Treatment of minerals | Willem Liebenberg Retief, Wilhelmina Du Plessis, Philippus Lodewyk Crouse, Johannes Petrus Le Roux | 2016-08-16 |