HW

Herman Van Der Walt

D( Detnet South Africa (Pty): 3 patents #13 of 36Top 40%
Overall (All Time): #1,502,315 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9279645 Electronic detonator Craig Charles Schlenter 2016-03-08
9250046 Detonator Christopher Malcolm Birkin, Johannes Petrus Kruger 2016-02-02
8991315 Detonator assembly Andre Louis Koekemoer, Craig Charles Schlenter, Albertus Abraham Labuschagne, Christopher Malcolm Birkin 2015-03-31