JC

Johannes Nicolaas Jacobus Calitz

Overall (All Time): #2,677,743 of 4,157,543Top 65%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11434762 Mobile underground tunnel borer arrangement Barend Jacobus Jordaan, Gerhard Pretorius, Williem Hermanus Roothman 2022-09-06