Granted Patent
Utility
US 5,289,698 · App. 07/944,372
Modular nested vapor compression heat pump for automotive applications
Inventor:
Srinivas Garimella
Patented Case
View Patent ↗
Granted: Mar 1, 1994
Filed: Sep 14, 1992
Inventor
Srinivas Garimella
Assignee (at issue)
General Motors LLC
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.