Steven Johnstone

BH Baker Hughes Holdings: 1 patents #193 of 653Top 30%

📍 Banchory, GB: #4 of 18 inventorsTop 25%

Overall (2016): #220,739 of 481,213Top 50%

Patents 2016

Issued Patents 2016

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
9435180	Annular gas lift valve	Dario Casciaro	2016-09-06