Inventor

NGUYEN TRANG D

US4 patents

⚠️ This page may combine multiple inventors who share the name “NGUYEN TRANG D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LINCOLN GLOBAL INC

2 patents

US6388232B1May 14, 2002

Starting and welding device for DC TIG welder and method of operating same

LINCOLN GLOBAL INC21 citations89

US7321106B2Jan 22, 2008

TIG welding torch

LINCOLN GLOBAL INC3 citations60

LINCOLN ELECTRIC CO

2 patents

US5864117AJan 26, 1999

ARC welder with automatic sensing of remote current control device

LINCOLN ELECTRIC CO13 citations70

US5777295AJul 7, 1998

Arc welder with automatic sensing of remote current control device

LINCOLN ELECTRIC CO5 citations59