Granted Patent
Utility
US 5,284,029 · App. 07/945,021
Triple effect absorption heat exchanger combining second cycle generator and first cycle absorber
Inventors:
Edward F. Keuper, William J. Plzak
Patented Case
View Patent ↗
Granted: Feb 8, 1994
Filed: Sep 15, 1992
Inventors
Edward F. Keuper
William J. Plzak
Assignee (at issue)
Gas Research Institute
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.