SJ

Sidney Dantuma Johnston

SL Spex Corporate Holdings Limited: 1 patents #4 of 7Top 60%
Overall (2021): #257,424 of 548,734Top 50%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10954734 Downhole tool with a propellant charge Jamie Oag, Rae Younger 2021-03-23