Granted Patent
Utility
US 5,487,769 · App. 08/313,496
Integral apparatus for separating lubricant from a hot compressed gas and for cooling the separated lubricant
Inventors:
William R. Hutchinson, Daniel T. Martin
Patented Case
View Patent ↗
Granted: Jan 30, 1996
Filed: Sep 27, 1994
Inventors
William R. Hutchinson
Daniel T. Martin
Assignee (at issue)
Ingersoll-Rand Company
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.