WS

Walter S. Secrist

US United States Steel: 2 patents #44 of 309Top 15%
📍 Dallas, TX: #3,077 of 7,543 inventorsTop 45%
🗺 Texas: #52,441 of 125,132 inventorsTop 45%
Overall (All Time): #2,373,584 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4221549 Inertia bar for sucker rods Michael L. Rizzone 1980-09-09
4207036 Subsurface pumping installation for handling viscous or sand-laden fluids 1980-06-10