Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9353622 | Mining machine with driven disc cutters | Alex Freire de Andrade, Charl Christo Veldman, Theuns Fichardt Skea, Joaquim Antonio Soares de Sousa | 2016-05-31 |
| 8727450 | Mining machine with driven disc cutters | Alex Freire de Andrade, Charl Christo Veldman, Theuns Fichardt Skea, Joaquim Antonio Soares de Sousa | 2014-05-20 |
| 7934776 | Mining machine with driven disc cutters | Alex Freire de Andrade, Charl Christo Veldman, Joaquim Antonio Soares de Sousa, Theuns Fichardt Skea | 2011-05-03 |