MC

Mark K. Crutchfield

HY Hydril: 2 patents #45 of 135Top 35%
📍 Kingwood, TX: #329 of 726 inventorsTop 50%
🗺 Texas: #52,441 of 125,132 inventorsTop 45%
Overall (All Time): #2,341,255 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4647002 Ram blowout preventer apparatus — 1987-03-03
4504037 Ram blowout preventer securing and retracting apparatus Clark W. Beam 1985-03-12