JH

Johan Louis Havenga

Overall (All Time): #3,022,398 of 4,157,543Top 75%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9468975 Treatment of chemical feedstocks Johannes Theodorus Nel, Willem Liebenberg Retief, Wilhelmina Du Plessis, Johannes Petrus Le Roux 2016-10-18