Granted Patent
Utility
US 4,111,849 · App. 05/305,738
Low copper NO.sub.x reduction catalyst
Inventor:
Robert J. Fedor
Patented Case
View Patent ↗
Granted: Sep 5, 1978
Filed: Nov 13, 1972
Inventor
Robert J. Fedor
Assignee (at issue)
Gould Inc.
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.