Granted Patent
Utility
US 4,363,468 · App. 06/084,951
Cutting torch height control apparatus
Inventor:
Stephen L. Noe
Patented Case
View Patent ↗
Granted: Dec 14, 1982
Filed: Mar 20, 1979
Inventor
Stephen L. Noe
Assignee (at issue)
Caterpillar Tractor Co.
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.