Granted Patent
Utility
US 5,114,682 · App. 07/648,584
Apparatus for recovering heat energy from catalyst regenerator flue gases
Inventor:
Alan R. Goelzer
Patented Case
View Patent ↗
Granted: May 19, 1992
Filed: Jan 31, 1991
Inventor
Alan R. Goelzer
Assignee (at issue)
Stone & Webster Engineering Corp.
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.