Granted Patent
Utility
US 6,818,335 · App. 10/244,904
System and method for early detection of contaminants in a fuel processing system
Inventors:
David J. Edlund, William A. Pledger
Patented Case
View Patent ↗
Granted: Nov 16, 2004
Filed: Sep 16, 2002
Inventors
David J. Edlund
William A. Pledger
Assignee (at issue)
Idatech, LLC
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.