Granted Patent
Utility
US 5,355,672 · App. 08/131,356
Automotive engine exhaust aftertreatment system including hydrocarbon adsorber with sample processing oxygen sensor regeneration control
Inventors:
Andrew A. Adamczyk, Jr., Ronald G. Hurley, James David Pakko
Patented Case
View Patent ↗
Granted: Oct 18, 1994
Filed: Oct 4, 1993
Inventors
Andrew A. Adamczyk, Jr.
Ronald G. Hurley
James David Pakko
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.