Granted Patent
Utility
US 5,208,448 · App. 07/863,215
Plasma torch nozzle with improved cooling gas flow
Inventor:
Jeffrey Stuart Everett
Patented Case
View Patent ↗
Granted: May 4, 1993
Filed: Apr 3, 1992
Inventor
Jeffrey Stuart Everett
Assignee (at issue)
ESAB Welding Products, 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.