Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Pieter Etienne Dreyer | Unknown | 2 |
| 2 | Clinton Simpson | Csir | 1 |
| 2 | Andre Malan Joubert | Ips Group | 1 |
| 2 | Alexander Richard Cochrane | Cochrane Steel Products (Pty) | 1 |
5 patents · 4 inventors
Ranked #13,853 of 41,746 cities Top 35%
Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Pieter Etienne Dreyer | Unknown | 2 |
| 2 | Clinton Simpson | Csir | 1 |
| 2 | Andre Malan Joubert | Ips Group | 1 |
| 2 | Alexander Richard Cochrane | Cochrane Steel Products (Pty) | 1 |