Trang D. Nguyen

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Mentor, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
TIG welding torch
- Patent number 7,321,106
- Issue date Jan 22, 2008
- Lincoln Global, Inc.
- William T. Matthews
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Starting and welding device for DC TIG welder and method of operati...
- Patent number 6,388,232
- Issue date May 14, 2002
- Lincoln Global, Inc.
- Ralph M. Samodell
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
ARC welder with automatic sensing of remote current control device
- Patent number 5,864,117
- Issue date Jan 26, 1999
- The Lincoln Electric Company
- Joel D. Kneisley
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Arc welder with automatic sensing of remote current control device
- Patent number 5,777,295
- Issue date Jul 7, 1998
- The Lincoln Electric Company
- Joel D. Kneisley
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
TIG welding torch
- Publication number 20060054609
- Publication date Mar 16, 2006
- Lincoln Global, Inc.
- William T. Matthews
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR