Granted Patent
Utility
US 6,820,414 · App. 10/193,386
Adsorber aftertreatment system having downstream soot filter
Inventors:
Bradlee J. Stroia, Robert C. U. Yu, Rahul Mital, Michael J. Cunningham
Patented Case
View Patent ↗
Granted: Nov 23, 2004
Filed: Jul 11, 2002
Inventors
Bradlee J. Stroia
Robert C. U. Yu
Rahul Mital
Michael J. Cunningham
Assignee (at issue)
Fleetguard, 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.