WB

W. J. Barnhill

📍 Houma, LA: #147 of 353 inventorsTop 45%
🗺 Louisiana: #5,044 of 10,876 inventorsTop 50%
Overall (All Time): #3,855,722 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5133576 Carbide coated blast tube construction for use in oil and gas well completion across perforations — 1992-07-28