Granted Patent
Utility
US 5,520,370 · App. 08/381,730
Gas distribution manifold for metal scarfing apparatus
Inventors:
Stephen D. Boylan, Joseph Caporaso
Patented Case
View Patent ↗
Granted: May 28, 1996
Filed: Feb 1, 1995
Inventors
Stephen D. Boylan
Joseph Caporaso
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.