Granted Patent
Utility
US 5,261,379 · App. 07/772,304
Evaporative purge monitoring strategy and system
Inventors:
Daniel J. Lipinski, Charles Edward Marshall, Ernest C. Prior
Patented Case
View Patent ↗
Granted: Nov 16, 1993
Filed: Oct 7, 1991
Inventors
Daniel J. Lipinski
Charles Edward Marshall
Ernest C. Prior
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.