Inventor

FERKEL STEPHEN

US3 patents

Patents

3 patents

US6809293B2Oct 26, 2004

Controlled output for welding

ILLINOIS TOOL WORKS15 citations87

US6548784B2Apr 15, 2003

Controlled output for welding

ILLINOIS TOOL WORKS31 citations87

US6087628AJul 11, 2000

Method and apparatus for controlling a welding power supply

ILLINOIS TOOL WORKS17 citations81