JJ

Joshua M. Jackson

SP Sperry-Sun: 2 patents #3 of 9Top 35%
NS Nl Sperry-Sun: 1 patents #3 of 14Top 25%
Overall (All Time): #1,679,443 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4505155 Borehole pressure measuring system 1985-03-19
4484785 Tubing protector 1984-11-27
4399877 Continuous borehole telemetry system and method Vernon E. Koval 1983-08-23