DM

David J. McWhorter

VI Varco I/P: 2 patents #6 of 43Top 15%
📍 Cypress, TX: #3 of 64 inventorsTop 5%
🗺 Texas: #960 of 8,064 inventorsTop 15%
Overall (2005): #59,059 of 245,428Top 25%
2
Patents 2005

Issued Patents 2005

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6974135 Variable bore ram Jeffrey Thomas Melancon 2005-12-13
6843463 Pressure regulated slip ram on a coil tubing blowout preventer Perry Lee McClanahan 2005-01-18