Granted Patent
Utility
US 6,694,727 · App. 10/233,222
Exhaust processor
Inventors:
Wilbur H. Crawley, John Nohl
Patented Case
View Patent ↗
Granted: Feb 24, 2004
Filed: Sep 3, 2002
Inventors
Wilbur H. Crawley
John Nohl
Assignee (at issue)
Arvin Technologies, 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.