SJ

Sidney Dantuma Johnston

SL Spex Corporate Holdings Limited: 1 patents #2 of 6Top 35%
Overall (2018): #235,994 of 503,207Top 50%
1
Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10041321 Downhole tool with a propellant charge Jamie Oag, Rae Younger 2018-08-07