DB

Derry E. Banta

HC Hughes Tool Company: 1 patents #83 of 224Top 40%
📍 Rangely, CO: #6 of 11 inventorsTop 55%
🗺 Colorado: #24,093 of 40,980 inventorsTop 60%
Overall (All Time): #3,993,757 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4582131 Submersible chemical injection pump Leonard M. Plummer, Vance A. Wilczek 1986-04-15