Inventor

NIERHOFF ROLAND

FR3 patents

Patents

3 patents

US10605397B2Mar 31, 2020

Tool for working on the wall of a pipe and related method

ENGIE1 citations64

US10215323B2Feb 26, 2019

Tool for working on the wall of a pipe and related method

ENGIE1 citations64

US10605396B2Mar 31, 2020

Tool for working on the wall of a pipe and related method

ENGIE0 citations43