DH

Dennis H. Hochsprung

NI Nl Industries: 1 patents #92 of 213Top 45%
📍 Houston, TX: #12,319 of 21,073 inventorsTop 60%
🗺 Texas: #73,555 of 125,132 inventorsTop 60%
Overall (All Time): #4,106,283 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4188624 Method and apparatus for monitoring fluid flow through a drill string Alan C. Wright, Robert I. Annas, Pat W. Purcell 1980-02-12