Inventor

MARTINCHICH DENNIS ROBERT

US3 patents

Patents

3 patents

US10597950B2Mar 24, 2020

Pre-installed anti-rotation key for threaded connectors

VETCO GRAY INC8 citations78

US10077858B2Sep 18, 2018

Anti-rotation key for threaded connectors

VETCO GRAY INC8 citations78

US10605012B2Mar 31, 2020

Drop in anti-rotation key

VETCO GRAY INC6 citations69