RB

Rick E. Barrett

TW The Charles Machine Works: 1 patents #18 of 34Top 55%
📍 Owasso, OK: #8 of 35 inventorsTop 25%
🗺 Oklahoma: #263 of 1,012 inventorsTop 30%
Overall (2019): #300,905 of 560,194Top 55%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10407991 Drill string rotation brake Max A. Metcalf, Philip J. Wosmek, Harry Bendure 2019-09-10