Inventor

JAMES MATTHEW JAY

US3 patents

Patents

3 patents

US7678203B2Mar 16, 2010

Welding flux

LINCOLN GLOBAL INC10 citations80

US7405377B2Jul 29, 2008

Method for testing undercut on the inner diameter of pipe welds

LINCOLN GLOBAL INC6 citations59

US10279435B2May 7, 2019

Stick electrode

LINCOLN GLOBAL INC0 citations24