Granted Patent
Utility
US 6,713,723 · App. 10/235,821
Basic flux cored wire with excellent weldability
Inventor:
Sunil Lee
Patented Case
View Patent ↗
Granted: Mar 30, 2004
Filed: Sep 6, 2002
Inventor
Sunil Lee
Assignee (at issue)
KISWEL LTD.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.