Granted Patent
Utility
US 4,445,461 · App. 06/387,932
Waste heat recovery method and apparatus
Inventor:
Khosrow Farnia
Patented Case
View Patent ↗
Granted: May 1, 1984
Filed: Jun 14, 1982
Inventor
Khosrow Farnia
Assignee (at issue)
Allis-Chalmers Corporation
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.