Granted Patent
Utility
US 5,375,414 · App. 08/131,188
Automotive engine exhaust aftertreatment system including hydrocarbon adsorber with internal engine purge flow control
Inventors:
Andrew A. Adamczyk, Jr., Ronald G. Hurley, James David Pakko, Lisa Hansen, Peter Mitchell Lyon
Patented Case
View Patent ↗
Granted: Dec 27, 1994
Filed: Oct 4, 1993
Inventors
Andrew A. Adamczyk, Jr.
Ronald G. Hurley
James David Pakko
Lisa Hansen
Peter Mitchell Lyon
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.