WZ

Warren M. Zingg

DI Dowell Schlumberger Incorporated: 2 patents #20 of 148Top 15%
The Dow Chemical: 1 patents #2,215 of 4,115Top 55%
📍 Tulsa, OK: #626 of 2,344 inventorsTop 30%
🗺 Oklahoma: #3,359 of 12,736 inventorsTop 30%
Overall (All Time): #1,674,981 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4662401 High pressure choke assembly Larry D. Welch 1987-05-05
4644974 Choke flow bean — 1987-02-24
4354552 Slurry concentrator — 1982-10-19