JV

Johanna Catharina Viljoen

📍 Irene, ZA: #12 of 22 inventorsTop 55%
Overall (All Time): #3,724,384 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5665932 Initiation of blasting Jean Pierre Jordan Le Roux 1997-09-09