JC

Johannes Nicolaas Jacobus Calitz

Overall (2022): #399,910 of 548,613Top 75%
1
Patents 2022

Issued Patents 2022

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