RE

Ralph H. Echols

HS Halliburton Energy Services: 1 patents #462 of 1,091Top 45%
📍 Aberdeen, TX: #2 of 12 inventorsTop 20%
Overall (2019): #306,325 of 560,194Top 55%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10221652 Downhole ball valve Peter Derek Walter Inglis, Gordon K. Scott 2019-03-05