Granted Patent
Utility
US 5,761,914 · App. 08/801,545
Oil return from evaporator to compressor in a refrigeration system
Inventors:
Michael D. Carey, Sean A. Smith
Patented Case
View Patent ↗
Granted: Jun 9, 1998
Filed: Feb 18, 1997
Inventors
Michael D. Carey
Sean A. Smith
Assignee (at issue)
American Standard 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.