Granted Patent
Utility
US 4,508,691 · App. 06/408,546
Method for treating exhaust gases with an improved catalyst composition
Inventors:
Karen Marie Adams, Haren S. Gandhi
Patented Case
View Patent ↗
Granted: Apr 2, 1985
Filed: Aug 16, 1982
Inventors
Karen Marie Adams
Haren S. Gandhi
Assignee (at issue)
Ford Motor Company
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.