Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9416431 | Treatment of minerals | Willem Liebenberg Retief, Johannes Theodorus Nel, Wilhelmina Du Plessis, Johannes Petrus Le Roux | 2016-08-16 |
| 8778291 | Treatment of zirconia-based material with ammonium bi-fluoride | Willem Liebenberg Retief, Johannes Theodorus Nel, Wilhelmina Du Plessis | 2014-07-15 |
| 8628624 | Laser cleaning of components | Mark W. Turner, Alistair Jeffrey Smith | 2014-01-14 |