Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11434762 | Mobile underground tunnel borer arrangement | Barend Jacobus Jordaan, Johannes Nicolaas Jacobus Calitz, Williem Hermanus Roothman | 2022-09-06 |
| 10947845 | Shaft enlargement arrangement for a boring system | Barend Jacobus Jordaan, Nicolaas Bodenstein Goodwin, Daniel Coenraad Pretorius, Louis Germishuys | 2021-03-16 |
| 5663705 | Vehicle safety device | Izak Johannes Daniel Van Der Westhuizen | 1997-09-02 |