Granted Patent
Utility
US 6,833,530 · App. 10/118,154
Flux cored wire for gas shielded arc welding
Inventor:
Jongwon Kim
Patented Case
View Patent ↗
Granted: Dec 21, 2004
Filed: Apr 9, 2002
Inventor
Jongwon Kim
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.