DC

Donald G. Couch

HC Hughes Tool Company: 1 patents #83 of 224Top 40%
📍 Ventura, CA: #459 of 881 inventorsTop 55%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #4,003,975 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4619324 Wellhead connector locking mechanism — 1986-10-28