HP

Hendrik Frederik du Plessis

Overall (All Time): #1,700,754 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12247802 Valve assembly for a pre-charged pneumatic airgun 2025-03-11
9533897 Method for electro-chemical activation of water Mathys Jacobus Buitendag, Philip Johannes Cornelis Nel, Daniel Francois Jensen 2017-01-03