Granted Patent
Utility
US 6,343,571 · App. 09/213,853
Fuel emulsion detection method and system for an electronically controlled engine
Inventors:
Andrew D. Rockwell, Alan L. Schweigert
Patented Case
View Patent ↗
Granted: Feb 5, 2002
Filed: Dec 17, 1998
Inventors
Andrew D. Rockwell
Alan L. Schweigert
Assignee (at issue)
Clean Fuels Technology, 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.