Inventor

WOSMEK PHILIP J

US3 patents

Patents

3 patents

US11708725B2Jul 25, 2023

Drill string rotation brake

CHARLES MACHINE WORKS0 citations55

US11041342B2Jun 22, 2021

Drill string rotation brake

CHARLES MACHINE WORKS0 citations55

US10407991B2Sep 10, 2019

Drill string rotation brake

CHARLES MACHINE WORKS0 citations45