Granted Patent
Utility
US 4,353,811 · App. 06/213,780
Power recovery process using recuperative heat exchange
Inventor:
Allen H. Fink
Patented Case
View Patent ↗
Granted: Oct 12, 1982
Filed: Dec 8, 1980
Inventor
Allen H. Fink
Assignee (at issue)
UOP 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.