Granted Patent
Utility
US 6,573,476 · App. 09/960,369
Flux cored wire for gas-shielded arc welding
Inventors:
Jongwon Kim, Chulgyu Park
Patented Case
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Granted: Jun 3, 2003
Filed: Sep 24, 2001
Inventors
Jongwon Kim
Chulgyu Park
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.