Granted Patent
Utility
US 4,384,608 · App. 06/176,835
Reverse cycle air conditioner system
Inventors:
John Scarlett, Joseph R. Akerman
Patented Case
View Patent ↗
Granted: May 24, 1983
Filed: Aug 11, 1980
Inventors
John Scarlett
Joseph R. Akerman
Assignee (at issue)
Ford Motor 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.