Granted Patent
Utility
US 5,445,019 · App. 08/047,905
Internal combustion engine with on-board diagnostic system for detecting impaired fuel injectors
Inventors:
John M. Glidewell, Granger K. Chui, Woong-chul Yang
Patented Case
View Patent ↗
Granted: Aug 29, 1995
Filed: Apr 19, 1993
Inventors
John M. Glidewell
Granger K. Chui
Woong-chul Yang
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.