Granted Patent
Utility
US 6,121,570 · App. 09/181,264
Apparatus and method for supplying fluids to a plasma arc torch
Inventors:
Thomas Franklin Oakley, Barry Turner
Patented Case
View Patent ↗
Granted: Sep 19, 2000
Filed: Oct 28, 1998
Inventors
Thomas Franklin Oakley
Barry Turner
Assignee (at issue)
THE ESAB GROUP INC.
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.