HB

Harry Bendure

TW The Charles Machine Works: 1 patents #13 of 42Top 35%
Overall (2021): #441,759 of 548,734Top 85%
1
Patents 2021

Issued Patents 2021

Patent #TitleCo-InventorsDate
11041342 Drill string rotation brake Max A. Metcalf, Philip J. Wosmek, Rick E. Barrett 2021-06-22