ER

Emmet D. Riggs

📍 Dallas, TX: #39 of 217 inventorsTop 20%
🗺 Texas: #432 of 2,272 inventorsTop 20%
Overall (1982): #20,008 of 81,411Top 25%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4343356 Method and apparatus for treating subsurface boreholes Eugene R. Brownscombe, James R. Bilhartz 1982-08-10