Granted Patent
Utility
US 5,635,086 · App. 08/541,956
Laser-plasma arc metal cutting apparatus
Inventors:
Joseph V. Warren, Jr., Chester Stanley
Patented Case
View Patent ↗
Granted: Jun 3, 1997
Filed: Oct 10, 1995
Inventors
Joseph V. Warren, Jr.
Chester Stanley
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.