Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hermanus Dippenaar | — | 1 |
| 1 | Ernest Cranko | — | 1 |
| 1 | Carl S. J. Van Rensburg | General Mining Union Corporation Limited | 1 |
| 1 | John A. Coetzee | — | 1 |
| 1 | Hercules Du Preez | — | 1 |
| 1 | Lesley Kay Hedges | — | 1 |
6 patents · 6 inventors
Ranked #5,164 of 20,767 cities Top 25%
Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hermanus Dippenaar | — | 1 |
| 1 | Ernest Cranko | — | 1 |
| 1 | Carl S. J. Van Rensburg | General Mining Union Corporation Limited | 1 |
| 1 | John A. Coetzee | — | 1 |
| 1 | Hercules Du Preez | — | 1 |
| 1 | Lesley Kay Hedges | — | 1 |