Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11434762 | Mobile underground tunnel borer arrangement | Gerhard Pretorius, Johannes Nicolaas Jacobus Calitz, Williem Hermanus Roothman | 2022-09-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11434762 | Mobile underground tunnel borer arrangement | Gerhard Pretorius, Johannes Nicolaas Jacobus Calitz, Williem Hermanus Roothman | 2022-09-06 |