Granted Patent
Utility
US 5,452,576 · App. 08/288,093
Air/fuel control with on-board emission measurement
Inventors:
Douglas R. Hamburg, Jeffrey A. Cook, Richard E. Soltis, Eleftherios M. Logothetis, Jacobus Hendrik Visser
Patented Case
View Patent ↗
Granted: Sep 26, 1995
Filed: Aug 9, 1994
Inventors
Douglas R. Hamburg
Jeffrey A. Cook
Richard E. Soltis
Eleftherios M. Logothetis
Jacobus Hendrik Visser
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.