CB

C. Dwain Barron

EC Eastman Christensen: 1 patents #18 of 49Top 40%
📍 Kingwood, TX: #454 of 726 inventorsTop 65%
🗺 Texas: #73,555 of 125,132 inventorsTop 60%
Overall (All Time): #3,951,346 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4742498 Pilot operated mud pulse valve and method of operating the same — 1988-05-03