JN

John C. North

HA Halliburton: 1 patents #490 of 857Top 60%
HS Halliburton Energy Services: 1 patents #2,863 of 4,711Top 65%
📍 Port Elphinstone, GB: #1 of 1 inventorsTop 100%
Overall (All Time): #2,265,493 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5829523 Primary well cementing methods and apparatus — 1998-11-03
5372198 Abandonment of sub-sea wells David Nelson, Colin Headworth 1994-12-13