DH

David Michel Harrington

VL Varel International Ind., L.L.C.: 2 patents #1 of 12Top 9%
📍 Dallas, TX: #133 of 890 inventorsTop 15%
🗺 Texas: #3,193 of 17,455 inventorsTop 20%
Overall (2020): #181,734 of 565,922Top 35%
2
Patents 2020

Issued Patents 2020

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10590525 Modified surface properties of percussion tools used in downhole drilling Anthony Plana, Ted James Breckenfeld 2020-03-17
10538970 Method for drilling out a plug using a hybrid rotary cone drill bit Kyle Nobile, Matthew Charles Stroever, Karl W. Rose 2020-01-21