Granted Patent
Utility
US 6,078,023 · App. 09/067,541
Liquid-cooled welding torch assembly
Inventors:
Glen Jones, Richard Llewelyn Jones, Robert Lloyd Warning
Patented Case
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Granted: Jun 20, 2000
Filed: Apr 27, 1998
Inventors
Glen Jones
Richard Llewelyn Jones
Robert Lloyd Warning
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.