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Stephen P. Simons

HY Hydril: 1 patents #3 of 12Top 25%
📍 Kingwood, TX: #12 of 54 inventorsTop 25%
🗺 Texas: #1,330 of 5,527 inventorsTop 25%
Overall (1994): #65,236 of 165,921Top 40%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5364064 Safety sub with asymmetrical wall elastomeric closure for retaining drilling fluids Douglas W. Carlson 1994-11-15