WC

William L. Carbaugh

HY Hydril: 1 patents #3 of 12Top 25%
📍 Humble, TX: #4 of 21 inventorsTop 20%
🗺 Texas: #1,330 of 5,527 inventorsTop 25%
Overall (1994): #52,831 of 165,921Top 35%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5339864 Safety sub for retaining drilling fluids Douglas W. Carlson 1994-08-23