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Richard T. Upton

HC Hughes Tool Company: 1 patents #83 of 224Top 40%
📍 Houston, TX: #12,319 of 21,073 inventorsTop 60%
🗺 Texas: #73,555 of 125,132 inventorsTop 60%
Overall (All Time): #4,081,955 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4245710 Centrifugal water-air separation in earth drilling bits George E. Dolezal 1981-01-20